Perhaps of interest to 2021 student researchers in this class.
US National Archives and Records Admin (NARA)
Gilfoyle, T. (1994). Prostitutes in the Archives: Problems and Possibilities in Documenting the History of Sexuality. The American Archivist, 57(3), 514-527. http://www.jstor.org/stable/40293850
Phoenix House Foundation Oral History Collection, 2014-2015 (Columbia U. Sp. Coll.)
FBI Vault (freely accessible files)
Independent Voices - open access digital collection of alternative press newspapers, magazines and journals