Business card for S.L.A.M. (Strictly Leather and Men), Hardcore Master & Slave Group, 1980, Box: 1 , Folder: 16. United States gay male leather culture collection, 7872. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/767104 Accessed July 25, 2026.