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 Martha C. Knack and Omer C. Stewart Research Papers on the Pyramid Lake Paiute Tribe contains materials collected by Stewart and Knack as research for their 1984 book, As Long as the River Shall Run: An Ethnohistory of Pyramid Lake Indian Reservation. The collection focuses on the Pyramid Lake Paiute Reservation in Northeastern Nevada from 1845 to 1975 and include letters, journal articles, legal documents, government documents, treatises, and records. All materials are photocopies of documents that date between approximately 1845 to 1980.

The Southern Nevada Telephone Company Collection documents the history of the company from 1957 to 1966. The collection includes photographs and internal publications that illustrate the company's growth and role in Las Vegas' history. It also contains a photocopy of A History of the Southern Nevada Telephone Company, 1907-1961.