U
Unemployed and Project Workers Union (New York, NY), undated
Box: 40 (Material Type: Mixed Materials)
Uniformed Sanitationmens Association: DeLury, John Joseph, 1978, inclusive
Box: 40 (Material Type: Mixed Materials)
Union County Central Labor Union (Union County, NJ), 1941, inclusive
Box: 40 (Material Type: Mixed Materials)
Union des Syndicalistes (Paris), undated
Box: 40 (Material Type: Mixed Materials)
Union des Syndicats des Travailleurs Algeriens, 1959, inclusive
Box: 40 (Material Type: Mixed Materials)
Union General de Trabajadores (Spain), 1978-1979, inclusive
Box: 40 (Material Type: Mixed Materials)
Union General de Trabajadores (Spain), 1979, undated, inclusive
Box: 40 (Material Type: Mixed Materials)
Union of Needletrades, Industrial and Textile Employees (UNITE), 1995-2001, undated, inclusive
Box: 40 (Material Type: Mixed Materials)
Union of Shop, Distributive and Allied Workers, 1955, 1961, inclusive
Box: 40 (Material Type: Mixed Materials)
Union of Soviet Socialist Republics (USSR), 1925-1959, undated, inclusive
Box: 40 (Material Type: Mixed Materials)
Union of Telephone Workers, 1948, 1974, 1983, inclusive
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry I, 1891-1996, undated, inclusive
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry II, 1891-1996, undated, inclusive
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry: Constitutions, 1928-1966, inclusive
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry: Constitutions, 1986-1996, inclusive
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry: Local 2, 1966-1994, inclusive
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry: Local 2, undated
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry: Local 457 (Nassau County, NY), 1947, inclusive
Box: 40 (Material Type: Mixed Materials)
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry: Local 638, 1948, 1995-1996, inclusive
Box: 40 (Material Type: Mixed Materials)
United Automobile, Aircraft and Vehicle Workers of America: Local 17 (Oakland, CA), undated
Box: 40 (Material Type: Mixed Materials)
United Automobile, Aircraft and Vehicle Workers of America: Local 49 (New York, NY), 1927, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brick and Clay Workers of America, 1928, 1959, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Carpenter Legislative Improvement Committee, 1991, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Constitutions, 1941-1951, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Constitutions, 1963-1979, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Constitutions, 1987-1996, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Conventions, 1958, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: District Council of Nassau County, 1965-1977, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: District Council of New York City and Vicinity: Agreements and Contracts, 1950-1996, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: District Council of New York City and Vicinity: By-Laws, 1963-1990, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: District Council of New York City and Vicinity: Fliers, 1998-1999, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: District Council of New York City and Vicinity: Pension Fund, 1963, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: District Council of Suffolk County, 1962, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: District Council of Syracuse, NY, 1904, undated, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Fliers, 1990-2000, undated, inclusive
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Health and Safety Hazard Identification Program, undated
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 34 (San Francisco, CA), undated
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 101 (Baltimore, MD), undated
Box: 40 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 376 (Brooklyn, NY), 1926, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 502 (Canandaigua, NY), 1900, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 608 (New York, NY), undated
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 787 (Brooklyn, NY), 1975, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 1456 (Dockbuilders, Pier Carpenters, Shorers, House Movers, Pile Drivers, Divers, Tenders and Foundation and Marine Constructors, New York, NY), 1981, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Local 1780, 1967, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: New York Carpenters for a Stronger Union, 1982-1990, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: New York State Council, 1937, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Newspaper Clippings, Articles and Publications, 1940-2001, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Pamphlets and Publications, 1982-2000, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Pension Fund, 1961-1963, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Carpenters and Joiners of America: Pension Fund, 1964, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Maintenance of Way Employees and Railway Shop Laborers, 1919, inclusive
Box: 41 (Material Type: Mixed Materials)
United Brotherhood of Tailors, 1913, inclusive
Box: 41 (Material Type: Mixed Materials)
United Building Service and Domestic Workers Association of Brooklyn (Brooklyn, NY), undated
Box: 41 (Material Type: Mixed Materials)
United Cannery, Agricultural, Packing and Allied Workers of America, 1937-1941, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Carpenters and Joiners of Scotland, 1832, inclusive
Box: 41 (Material Type: Mixed Materials)
United Cement, Lime, and Gypsum Workers International Union, 1941-1962, inclusive
Box: 41 (Material Type: Mixed Materials)
United Cement, Lime, and Gypsum Workers International Union, 1976-1980, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Chocolate Workers of America, 1938-1939, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Cloth Hat and Cap Makers of North America, 1906, inclusive
Box: 41 (Material Type: Mixed Materials)
United Cloth Hat and Cap Makers of North America: Constitutions, 1901, 1913, undated, inclusive
Box: 41 (Material Type: Mixed Materials)
United Construction Workers Organizing Committee, 1940-1941, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Equipment and Metal Workers of America, 1944-1949, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Equipment and Metal Workers of America: Local 180, 1944, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1965-1969, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1970-1972, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers I, 1973, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers II, 1973, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1974, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1975, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1976, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1977, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1979, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1980-1982, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1985, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1986-1987, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1988-1989, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers, 1990-2000, inclusive
Box: 41 (Material Type: Mixed Materials)
United Farm Workers I, undated
Box: 41 (Material Type: Mixed Materials)
United Farm Workers II, undated
Box: 41 (Material Type: Mixed Materials)
United Farm Workers III, undated
Box: 41 (Material Type: Mixed Materials)
United Farm Workers IV, undated
Box: 41 (Material Type: Mixed Materials)
United Farm Workers: Lettuce Boycott, 1972, inclusive
Box: 41 (Material Type: Mixed Materials)
United Federal Workers of America, 1941-1950, undated, inclusive
Box: 42 (Material Type: Mixed Materials)
United Federal Workers of America: Local 21, 1945, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union, 1979, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union, 1980, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union, 1981-1997, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union, undated
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Agreements (Various Locals), 1990-1996, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Joint Board Fur, Leather and Machine Workers' Unions, 1996, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 1, 1984-1985, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 174 I, 1986-1996, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 174 II, 1986-1996, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 342 (New York), 1984, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 881, undated
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 888, 1990, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 1245 (Little Falls, NJ), 1990-1992, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 1518 (Retail Clerks Union), 1982, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 1529, undated
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local 1776, 2009, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local P-9 I, 1985-1986, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local P-9 II, 1985-1986, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local P-9 III, 1985-1986, inclusive
Box: 42 (Material Type: Mixed Materials)
United Food and Commercial Workers International Union: Local P-9 IV, 1985-1986, inclusive
Box: 42 (Material Type: Mixed Materials)
United Furniture Workers of America, 1941-1950, inclusive
Box: 42 (Material Type: Mixed Materials)
United Furniture Workers of America, 1952-1957, inclusive
Box: 42 (Material Type: Mixed Materials)
United Furniture Workers of America, undated
Box: 42 (Material Type: Mixed Materials)
United Furniture Workers of America: Constitutions, 1939-1962, inclusive
Box: 42 (Material Type: Mixed Materials)
United Furniture Workers of America: Local 140 (Bedding, Curtain and Drapery Workers Union) (New York, NY), 1970, undated, inclusive
Box: 42 (Material Type: Mixed Materials)
United Furniture Workers of America: Local 1010, 1958, inclusive
Box: 42 (Material Type: Mixed Materials)
United Garment Workers of America, 1897-1936, inclusive
Box: 42 (Material Type: Mixed Materials)
United Garment Workers of America: Constitutions, 1942-1982, inclusive
Box: 42 (Material Type: Mixed Materials)
United Gas, Coke and Chemical Workers of America, 1950-1952, inclusive
Box: 42 (Material Type: Mixed Materials)
United Gas, Coke and Chemical Workers of America: Local 121 (Chemical Workers Union), 1946, inclusive
Box: 42 (Material Type: Mixed Materials)
United Gas, Coke and Chemical Workers of America: Local 283, 1950, inclusive
Box: 42 (Material Type: Mixed Materials)
United Glass and Ceramic Workers of North America, 1964-1982, undated, inclusive
Box: 42 (Material Type: Mixed Materials)
United Glass and Ceramic Workers of North America: Constitutions and By-Laws, 1954-1974, inclusive
Box: 42 (Material Type: Mixed Materials)
United Glass and Ceramic Workers of North America: Department of Research and Education, undated
Box: 42 (Material Type: Mixed Materials)
United Hebrew Trades, 1947-2004, undated, inclusive
Box: 42 (Material Type: Mixed Materials)
United Industrial Unions (Brooklyn, NY), 1943, 1958, inclusive
Box: 42 (Material Type: Mixed Materials)
United Industry Workers: Local 424 (Bohemia, NY), 1986, undated, inclusive
Box: 42 (Material Type: Mixed Materials)
United Labor Committee of Massachusetts, undated
Box: 42 (Material Type: Mixed Materials)
United Labor Committee (Philadelphia, PA), undated
Box: 42 (Material Type: Mixed Materials)
United Labor Council, 1921, inclusive
Box: 42 (Material Type: Mixed Materials)
United Leather Workers International Union, 1942, inclusive
Box: 42 (Material Type: Mixed Materials)
United Office and Professional Workers of America I, 1938-1943, inclusive
Box: 42 (Material Type: Mixed Materials)
United Office and Professional Workers of America II, 1938-1943, inclusive
Box: 42 (Material Type: Mixed Materials)
United Office and Professional Workers of America, 1944-1949, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America I, undated
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America II, undated
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America (Boston, MA), 1938-1946, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Constitutions, 1944-1948, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Legislative Department, 1940, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 1 (Magazine and Advertising Guild) (New York, NY), undated
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 16 (New York, NY), 1940-1949, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 16 (New York, NY): Minimum Wage Arbitration, 1942, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 18 (Book and Magazine Guild) (New York, NY), 1940, 1949, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 41 (Industrial Insurance Agents Union) (Boston, MA), undated
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 60, undated
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 96 (Financial Employees Guild) (New York, NY), 1950, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 109 (Screen Office and Professional Employees Guild) (New York, NY), 1948, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Local 231 (Federation of Architects, Engineers, Chemists and Technicians) (New York, NY), 1946-1947, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Merger, 1950, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: New York Joint Council, 1939-1943, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: Radio Guild, 1946, inclusive
Box: 43 (Material Type: Mixed Materials)
United Office and Professional Workers of America: West Coast Region, 1946, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse, Food and Allied Workers, 1963, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America, 1945-1949, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America, 1950, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America, undated
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America: Constitutional Convention, 1944, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America: Constitutional Convention, 1954, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America: Constitutions, 1948-1962, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America: Civil Rights, 1953, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America: District 1: Social Services Program, 1968, inclusive
Box: 43 (Material Type: Mixed Materials)
United Packinghouse Workers of America: Local 347 (Chicago, IL), 1939, inclusive
Box: 43 (Material Type: Mixed Materials)
United Paper, Novelty and Toy Workers International Union, 1943, inclusive
Box: 43 (Material Type: Mixed Materials)
United Papermakers and Paperworkers, 1960, inclusive
Box: 43 (Material Type: Mixed Materials)
United Papermakers and Paperworkers International Union: Agreements, 1970-1971, inclusive
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union, 1975-1988, inclusive
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union, undated
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union: Constitutions, 1972, 1984, inclusive
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union: Local 14 (Jay, ME), undated
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union: Local 107, 1988, inclusive
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union: Local 6288, 1988, undated, inclusive
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union: Local 7837 (Decatur, IL), 1994, inclusive
Box: 43 (Material Type: Mixed Materials)
United Paperworkers International Union: Special Projects Department, undated
Box: 43 (Material Type: Mixed Materials)
United Paperworkers of America, 1947-1950, inclusive
Box: 43 (Material Type: Mixed Materials)
United Plant Guard Workers of America, 1961, 1970, 1975, inclusive
Box: 43 (Material Type: Mixed Materials)
United Printed Book Binders: Number 1 of New York, 1891, inclusive
Box: 43 (Material Type: Mixed Materials)
United Public and Service Employees (Durham, NC), undated
Box: 43 (Material Type: Mixed Materials)
United Public Workers of America, 1947-1952, 1993, inclusive
Box: 43 (Material Type: Mixed Materials)
United Public Workers of America, undated
Box: 43 (Material Type: Mixed Materials)
United Public Workers of America: Conventions, 1946, 1948, inclusive
Box: 44 (Material Type: Mixed Materials)
United Public Workers of America: Local 1 (New York, NY), 1949-1951, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Public Workers of America: Local 20 (Federal Workers Union) (New York, NY), undated
Box: 44 (Material Type: Mixed Materials)
United Public Workers of America: Local 713, undated
Box: 44 (Material Type: Mixed Materials)
United Railroad Workers of America, 1947, 1954, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rank and File Painters of Greater New York, 1967, inclusive
Box: 44 (Material Type: Mixed Materials)
United Retail and Wholesale Employees of America, 1939, inclusive
Box: 44 (Material Type: Mixed Materials)
United Retail and Wholesale Employees of America: Local 923 (United Culinary Employees of New York), undated
Box: 44 (Material Type: Mixed Materials)
United Retail Employees of America, undated
Box: 44 (Material Type: Mixed Materials)
United Retail, Wholesale and Department Store Employees of America, 1942-1946, inclusive
Box: 44 (Material Type: Mixed Materials)
United Retail, Wholesale and Department Store Employees of America: Local 1S (New York, NY), 1945, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Retail, Wholesale and Department Store Employees of America: Local 20 (Chicago, IL), 1944, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Retail, Wholesale and Department Store Employees of America: Local 65, 1938-1945, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Retail, Wholesale and Department Store Employees of America: Local 1250 (Brooklyn, NY), 1945, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Retail, Wholesale and Department Store Employees of America: Pamphlet Labor Conditions in Bolivia, 1943, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America, 1947-1954, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America, 1956-1959, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America, 1960-1965, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America, 1971-1975, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America, undated
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America: Agreements, 1976, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America: Constitutions, 1946-1978, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America: Local 12 (East Gadsden, AL), 1981, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America: Local 93, undated
Box: 44 (Material Type: Mixed Materials)
United Rubber, Cork, Linoleum and Plastic Workers of America: Local 621, undated
Box: 44 (Material Type: Mixed Materials)
United Rubber Workers of America, 1936-1945, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber Workers of America: Constitutions, 1937-1941, inclusive
Box: 44 (Material Type: Mixed Materials)
United Rubber Workers of America: Local 288, undated
Box: 44 (Material Type: Mixed Materials)
United Rubber Workers of America: Local 350 (Chicago, IL), undated
Box: 44 (Material Type: Mixed Materials)
United Scenic Artists Local 350 (Chicago, Il), undated
Box: 44 (Material Type: Mixed Materials)
United Shoe Service Employees Union: Local 563 (Brooklyn, NY), undated
Box: 44 (Material Type: Mixed Materials)
United Shoe Workers of America, undated
Box: 44 (Material Type: Mixed Materials)
United Shoe Workers of America: Constitutions, 1937, inclusive
Box: 44 (Material Type: Mixed Materials)
United Shoe Workers of America: Joint Council No. 13, 1950-1978, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Shoe Workers of America: Local 54 (New York, NY), 1956, 1963, inclusive
Box: 44 (Material Type: Mixed Materials)
United Shoe Workers of America: Local 563 (Brooklyn, NY), 1937, inclusive
Box: 44 (Material Type: Mixed Materials)
United Slate, Tile and Composition Roofers, Damp and Waterproof Workers' Association, 1942, 1949, inclusive
Box: 44 (Material Type: Mixed Materials)
United Stone and Allied Products Workers of America, 1941-1974, inclusive
Box: 44 (Material Type: Mixed Materials)
United Telephone Organizations, 1940, undated, inclusive
Box: 44 (Material Type: Mixed Materials)
United Telephone Workers of Delaware, 1983, inclusive
Box: 44 (Material Type: Mixed Materials)
United Textile Workers of America, 1934-1950, inclusive
Box: 44 (Material Type: Mixed Materials)
United Textile Workers of America, 1973-1993, undated, inclusive
Box: 45 (Material Type: Mixed Materials)
United Textile Workers of America: Constitutions, 1936-1976, inclusive
Box: 45 (Material Type: Mixed Materials)
United Textile Workers of America: Yarn Finishers Union, undated
Box: 45 (Material Type: Mixed Materials)
United Trade Society of Journeymen Tailors in the City of New York : Bye-Laws [sic], 1833, inclusive
Box: 45 (Material Type: Mixed Materials)
United Trade Unionists (Brooklyn, NY), 1975, undated, inclusive
Box: 45 (Material Type: Mixed Materials)
United Trades Union Congress, 1958-1960, inclusive
Box: 45 (Material Type: Mixed Materials)
United Transport Service Employees of America, 1940-1943, undated, inclusive
Box: 45 (Material Type: Mixed Materials)
United Transportation Union, 1968-1988, inclusive
Box: 45 (Material Type: Mixed Materials)
United Transportation Union, undated
Box: 45 (Material Type: Mixed Materials)
United Transportation Union: Constitutions, 1974-1983, undated, inclusive
Box: 45 (Material Type: Mixed Materials)
United Transportation Union: Local 100 (Oakland, CA), 1979, inclusive
Box: 45 (Material Type: Mixed Materials)
United Transportation Union: Local 1699, undated
Box: 45 (Material Type: Mixed Materials)
United Union of Roofers, Waterprocters and Allied Workers, 1988, inclusive
Box: 45 (Material Type: Mixed Materials)
United University Professions, 1974-1985, inclusive
Box: 45 (Material Type: Mixed Materials)
United University Professions, 1988-1993, inclusive
Box: 45 (Material Type: Mixed Materials)
United Utilities Union of America, undated
Box: 45 (Material Type: Mixed Materials)
United Wall Paper Craftsmen and Workers of North America, 1938, 1941, inclusive
Box: 45 (Material Type: Mixed Materials)
United Workers of America, 1932, inclusive
Box: 45 (Material Type: Mixed Materials)
Universal Alliance of Diamond Workers, 1946, inclusive
Box: 45 (Material Type: Mixed Materials)
Upholsterers' International Union of North America, 1957-1959, undated, inclusive
Box: 45 (Material Type: Mixed Materials)
Upholsterers' International Union of North America, 1956-1958, inclusive
Box: 45 (Material Type: Mixed Materials)
Upholsterers' International Union of North America: General Laws, 1942-1960, inclusive
Box: 45 (Material Type: Mixed Materials)
Upholsterers' International Union of North America: Local 44 (New York and Vicinity), 1928, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Co-workers' Association, 1982, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America, 1950-1979, undated, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Consolidated Edison Company, 1958-1966, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Constitutional Conventions, 1954, 1965, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Constitutions, 1950-1987, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Constitutions, 1946-1965, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Constitutions, 1971-1995, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Constitution, 1999, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Decision of the Board of Arbitration, 1948, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2, 1949-1996, undated, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Agreements and Contracts, 1946-1949, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Agreements and Contracts, 1958-1965, inclusive
Box: 45 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Agreements and Contracts, 1968-1980, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Agreements and Contracts, 1982, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Bylaws, 1987-1999, undated, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1940-1962, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1946-1955, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1947-1950, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1949-1961, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1954-1955, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1946, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1953, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1957-1959, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1965-2004, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1971-2002, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1973-1983, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 1992-2006, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 2000, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 1-2: Contracts, 2000, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 3: Contracts, 1946-1948, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 3: Contracts, 1949-1950, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 4: Contracts, 1946-1949, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 4: Contracts, 1949-1955, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 4: Contracts, 1957-1959, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 7: Contracts, 1946-1949, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 223, 1960-1962, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 369, 1967, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 374, 1949, inclusive
Box: 46 (Material Type: Mixed Materials)
Utility Workers Union of America: Local 393, 1989, inclusive
Box: 46 (Material Type: Mixed Materials)
