The Nevada State Protection of Marriage Initiative Collection (2000) consists of Clark County, Nevada petition signatures in favor of the initiative to exclude gay and lesbian Nevadans from marriage. The "Protection of Marriage Initiative" was also known as Question Two on the ballot. Much of this material is photocopied from the Nevada State Archives and contains pages from Clark County, including Boulder City, as well as notable Southern Nevada signatures.

The Gay Business Directories Collection, compiled by Dennis McBride, dates from 1992 to 2015 and consists of gay and lesbian business telephone directories from sixteen North American markets, including Las Vegas, Los Angeles, Palm Springs, San Diego, San Francisco, Seattle, and Vancouver.

The Ted Lenhart LGBTQ Community Collection (1990-2001) is comprised of correspondence, newspaper clippings, and organizational material detailing LGBTQ community issues in Nevada throughout the 1990s. The collection includes materials from organizations including: Aid for AIDS of Nevada, the Clark County Coalition of HIV/AIDS Service Providers, the Nevada chapter of the AIDS Coalition to Unleash Power (ACT-UP), efforts to organize an HIV-Negative Men’s support group in Nevada, and Nevada Outdoors, an LGBTQ hiking club.

The Marge Jacques Papers (1960-1990) comprise the personal papers of Marge Jacques, a prominent member of the Las Vegas, Nevada gay and lesbian community, and owner of the gay bar, Le Cafe. The papers contain correspondence, licensing records, financial statements, and artifacts from clubs that Jacques owned or managed. Also included are photographs, videotapes, audiotapes, newspaper clippings, and Gipsy Nightclub promotional material.

The Dennis McBride Personal Papers (approximately 1920-2023) contain the papers of local historian and activist Dennis McBride. Papers include correspondence between McBride and many prominent members of the Las Vegas, Nevada LGBTQ community; financial and employment records from McBride's time at University of Nevada, Las Vegas and the Nevada State Museum; publications, press, and research surrounding McBride's numerous written works, unpublished and published; and family history, correspondence, and other personal documents. The collection also contains McBride's detailed personal date books and diaries that span multiple decades. Some audiovisual material and correspondence exist as digital files.

The Task Force for a Just and Inclusive Campus Environment Records (1997-1999) contains self-published reports by the University of Nevada, Las Vegas (UNLV) organization, as well as inter-organizational correspondence, meeting agenda, and meeting minutes. These records contain materials used to study and raise awareness of equality issues at the UNLV campus.

Memorial for Queer Rhyolite Papers (2019-2020) contains documentation about the temporary monument installed for the inaugural Bullfrog Biennial at the Goldwell Open Air Museum in Rhyolite, Nevada in 2019. Materials include an information pamphlet about the exhibit as well as a small aluminum-cast monument with an inscribed dedication. Digital files in this collection include photographs of the monument during and after installation, images of Budd's sketchbook, and documents about the monument including exhibit proposals and articles written by Budd. The collection also includes archived versions of Budd's personal website and two online articles written by Budd published on the Nevada Humanities website and Engaging Collections online art journal.