Joint Board, Eastern out-of-town: 1951-52., Box: 18, Folder: 7. 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/1438821 Accessed April 23, 2026.