Abstract: Papers, mainly 1934-1980, of Wisconsin labor leader Charles Heymanns, which document his organizing work (1937-1963) for the Wisconsin AFL and later for the AFL-CIO, and two lengthy strikes at the Kohler Company. In addition to his weekly organizer's reports, the collection includes correspondence, scrapbooks (only available on microfilm), photographs, minutes, appeals for donations, financial records, picket rolls, and other records from the strike (1934-1941) of Federal Labor Union 18545 against the Kohler Company. Concerning the 1954-1965 strike of UAW-CIO Local 833, there are scrapbooks, correspondence as director of Region XII of the AFL-CIO, daily strike bulletins, and material of the Kohler Workers Association, the company union. The subject files include correspondence, clippings, minutes, and other materials pertaining to varied individuals, topics and organizations such as the American Party, Andrew Biemiller, the presidential candidacy of Henry M. Jackson, various state and regional COPE committees, the Sheboygan County Labor Council, the Milwaukee County Labor Council, the La Crosse Cathedral of St. Joseph the Workman, and the organization of migrant farm workers in Wisconsin by Obreros Unidos.