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 Las Vegas, Nevada Gay, Lesbian, Bisexual, Transgender, and Queer/Questioning (LGBTQ) Collection documents the social and political activities of Las Vegas, Nevada's LGBTQ community from 1955 to 2020. The collection includes hundreds of newspaper articles about LGBTQ issues, ranging from AIDS to Nevada legislation. The collection also documents the presence of the LGBTQ community in Las Vegas, including material from gay bars, nightclubs, social clubs, advocacy and political organizations, entertainers, and student groups. Previously known as the Las Vegas Gay, Lesbian, Bisexual, and Transgender Collection.

The Dennis McBride LGBTQ Poster and Sign Collection (1977-2018) contains posters and signs created by the Las Vegas, Nevada Lesbian, Gay, Bisexual, Transgender, and Queer/Questioning (LGBTQ) community, collected by historian Dennis McBride. These handmade and commercially printed signs cover events of particular interest to the Las Vegas, Nevada LGBTQ community, including social events, entertainment venues, political rallies, and Gay Pride events.