Unions, consists of both printed and nonprinted materials including resolutions, organizational histories, pamphlets, newspaper clippings, flyers, meeting notices, and arbitration briefs from theBakery and Confectionery Workers, The National Marine Union, and The United Office and Professional Workers. Also included is correspondence from. 1943 1944 between De Leon and various union officials concerning exhibits and arbitration briefs, and bitter correspondence from 1964 1965 between De Leon and the president's office of The National Marine Union concerning the abolition of De Leon's position of assistant research director of that organization.
