Martin, Del and Phyllis Lyon. Lesbian/Woman. Volcano, CA: Volcano Press, 1991.

“Del Martin & Phyllis Lyon” Making Gay History season 3, episode 7 https://makinggayhistory.com/podcast/phyllis-lyon-del-martin/

Primary Source Set: Del Martin & Phyllis Lyon GLBT Historical Society https://www.glbthistory.org/primary-source-set-lyon-and-martin

Trailer for No Secret Anymore, a documentary about Martin and Lyon https://www.youtube.com/watch?v=97Rp4L4XyUs