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 Hughes Electronics Corporation Records (1935-2021) contain the files and publications of the corporate communications department and records donated by Robert K. Roney, a leading engineer at Hughes. These records document the growth of the company in Southern California, from building experimental aircraft for Howard Hughes, to developing and manufacturing radar and guided missile systems for the United States military and NATO forces, to developing and manufacturing communication satellites and space probes for NASA, and becoming the largest manufacturer of communication satellites and provider of satellite TV. The collection contains press releases, executive biographies, executive speeches, annual reports, corporate directories, organizational charts, correspondence files, technical reports and notes, promotional materials, as well as articles and publications detailing the history of the company. The collection also includes audiovisual materials and photographs. The audiovisual series details the history of the company through news footage and documentaries about Howard Hughes, aviation, corporate mergers, interviews with executives and promotional videos.

The Si Zentner Collection of Music Scores consists of copyright agreements and original music scores from the career of musician Si Zentner. The manuscripts span from 1957 through 1996.

The Musicians Wives Club Scrapbooks (1960-1974) consist of four scrapbooks about the Las Vegas club, and include photographs, meeting minutes, newspaper clippings, and local events.

The Hank Henry Papers consist of materials on the entertainment career of Hank Henry from 1934 to 1980. The collection contains skits and jokes, family photographs, photographs of burlesque shows, photographs and autographs of various actors and actresses, newsletters, newspaper articles and correspondence.

The Johnny Pate music scores and music manuscripts (1950-1998) consist solely of music manuscripts and original music scores written by Pate.

The Max DiJulio Music Scores (1950-1993) are comprised of handwritten and printed musical scores by composer Massimo "Max" DiJulio. Max Dijulio composed and arranged musical scores and conducted many concerts throughout the United States, and was particularly active in Denver, Colorado. In addition to the original scores and sheet music, there are also musical composition books with DiJulio's handwritten notes.