International Brotherhood of Electrical Workers, Local 1212; correspondence on negotiations for agreement. 1948-51., Box: 45, Folder: 5. International Ladies Garment Workers Union. Frederick F. Umhey, Executive Secretary. Correspondence, 5780/005.. Kheel Center for Labor-Management Documentation & Archives. https://archives.library.cornell.edu/repositories/4/archival_objects/1439192 Accessed April 09, 2026.