Ola Delight Cook (1880-1958) was a railroad telegrapher, charter member of Commercial Telegraphers Union, worker for the American Federation of Labor, and an honorary trustee of Portland Central Labor Council. Collection includes correspondence, constitutions, financial reports and minutes relating to railroad unions, the AFL, the Portland Labor Temple and the YWCA, 1953-1958, Oregon political campaigns, 1948-1958, and Central Labor Council; diaries, 1914-1955; and ledger.

Papers of Irving H. "Irv" Fletcher, an Oregon labor union leader who served as president of the Oregon AFL-CIO for 18 years. Included are Fletcher's personal and political correspondence, AFL-CIO convention materials and booklets, information about affiliated political and labor union leaders, materials for Fletcher's own campaign, and both personal- and AFL-CIO-related photographs.

Francis J. Murnane (1914-1968) was a labor leader in the ILWU Local 8, a historical preservationist, Progressive candidate for the Oregon State Legislature in 1948, and secretary of the Harry Bridges Defense Committee. Collection includes correspondence and documents relating to Murnane's work with various labor unions.