M, 1925-2002, inclusive
Extent
2 Linear Feet in 2 record cartons
Major League Players Association, 1958-1985, inclusive
Box: 27 (Material Type: Mixed Materials)
Manchester and Salford Trades Council, 1930, inclusive
Box: 27 (Material Type: Mixed Materials)
Marine Cooks and Stewards Association of the Pacific Coast, 1941, inclusive
Box: 27 (Material Type: Mixed Materials)
Marine Cooks and Stewards Association of the Pacific Coast, 1944, inclusive
Box: 27 (Material Type: Mixed Materials)
Marine Cooks and Stewards Association of the Pacific Coast I, 1945, inclusive
Box: 28 (Material Type: Mixed Materials)
Marine Cooks and Stewards Association of the Pacific Coast II, 1945, inclusive
Box: 28 (Material Type: Mixed Materials)
Marine Cooks and Stewards Association of the Pacific Coast III, 1945, inclusive
Box: 28 (Material Type: Mixed Materials)
Marine Cooks and Stewards Association of the Pacific Coast, 1946-1951, undated, inclusive
Box: 28 (Material Type: Mixed Materials)
Marine Draftsmen's Association, 1944, inclusive
Box: 28 (Material Type: Mixed Materials)
Marine Firemen's Union, 1952-1977, inclusive
Box: 28 (Material Type: Mixed Materials)
Marine Workers Industrial Union, 1934, inclusive
Box: 28 (Material Type: Mixed Materials)
Maritime Federation of the Pacific, 1940, inclusive
Box: 28 (Material Type: Mixed Materials)
Maritime Industry: Strikes and Struggles, 1936-1961, undated, inclusive
Box: 28 (Material Type: Mixed Materials)
Massachusetts Trade Union Educational League, 1979, inclusive
Box: 28 (Material Type: Mixed Materials)
Master Steam and Hot Water Fitters' Association (Brooklyn, NY), undated
Box: 28 (Material Type: Mixed Materials)
Mechanics Educational Society of America: Constitution and By-laws, 1979, inclusive
Box: 28 (Material Type: Mixed Materials)
Metal Polishers, Buffers, Platers and Helpers International Union, 1943, 1952, inclusive
Box: 28 (Material Type: Mixed Materials)
Metal Spinners and Silver Plated Hollow-ware Workers Union, 1957, inclusive
Box: 28 (Material Type: Mixed Materials)
Metal Workers Union (Brazil), 1986, inclusive
Box: 28 (Material Type: Mixed Materials)
Metro New York Labor Communications Council, 1997-2002, undated, inclusive
Box: 28 (Material Type: Mixed Materials)
Milk Wagon Drivers Unions of Greater Boston Local 380, undated
Box: 28 (Material Type: Mixed Materials)
Miners' Federation of Great Britain I, 1925-1927, undated, inclusive
Box: 28 (Material Type: Mixed Materials)
Miners' Federation of Great Britain II, 1925-1927, undated, inclusive
Box: 28 (Material Type: Mixed Materials)
Musicians' Union (Great Britain), 1947, inclusive
Box: 28 (Material Type: Mixed Materials)
