Statement of purpose, notes, meeting minutes, photographs, correspondence, flyers, member lists, publicity releases, bylaws, and ephemera documenting activities of the Gay Community Alliance (GCA), 1971-1973. The GCA was established in 1971 as a political organization using "tactics of confrontational politics" to advocate a civil rights agenda for the gay and lesbian community in Southern California.

Seven picket signs from the earliest public demonstrations in the United States advocating for gay and lesbian rights, organized by Frank Kameny and Barbara Gittings, among others. The original protests and subsequent "Annual Reminder" demonstrations were held in Washington, D.C., New York City, and Philadelphia from 1965-1969, and were attended by east coast members of the Mattachine Society, Janus Society, and Daughters of Bilitis.

Video recordings (1979-2005) from filmmaker and attorney, Karen Peper, documenting a variety of LGBT-related events from the 1980s to the early 2000s, particularly LGBT community activities in Michigan. The collection includes footage from the Marches on Washington for LGBT rights, Gay Games events, the national tour of the NAMES Project AIDS Memorial Quilt, lesbian weddings, protest demonstrations, pride parades, and other events.