This collection is comprised of research files dating from approximately 1980 to 2021 created by Boulder City Nevadan, Dennis McBride, primarily in support of his book, Out of the Neon Closet: A History of Gay Las Vegas on the history of the lesbian, gay, bisexual, gay, transgender, and queer (LGBTQ) community in Southern Nevada. Materials in this collection also include ephemera and clippings documenting LGBTQ establishments and organizations in Las Vegas, biographies of individuals, and other issues pertinent to the LGBTQ community. This collection also includes some materials about the LGBTQ community and their issues in Northern Nevada. The collection represents McBride's overall efforts to document and preserve the history of the LGBTQ community in Nevada.

The Army Mapping Service Aerial Photographs of Southern and Western Nevada (1952-1956) consist of approximately 2,080 black-and-white high-altitude aerial survey photographs of Southern and Western Nevada. Two projects are represented; 109-G, covering sections of Southern Nevada and 160-BH, covering a section of Western Nevada. Also included are five composite photograph indices created from the detailed survey photographs, four index sheets showing the project locations in Nevada and other projects in the western States, and five photocopied images of composite photographs of several cities in Nevada.

The William V. Wright Collection of Nevada Postcards contains picture postcards of towns and buildings in Nevada from 1900 to 1975. The postcards primarily depict casinos, hotels, and other attractions in Las Vegas, Nevada and Reno, Nevada. The postcards also depict post offices, landscapes, mines, and the Hoover (Boulder) Dam.