The collection is comprised of architectural drawings (1952-1997) completed by American architect, Ethan Jennings Jr. and/or his architectural firm, Ethan Jennings Jr., AIA, CSI and includes Jenning's work from the firm of John Badgley, AIA, where Ethan Jennings Jr. worked in Southern California during the 1950s, as well as work Jenning's completed with Americo Inc., and Tolosa Group. The collection contains 217 sets of drawings, 6 boxes of project records, and 8 flat files of oversized material from over 200 different projects primarily located in California with some projects located in the Las Vegas area. The materials feature hand-drawn architectural drawings, ranging from preliminary sketches to construction documents. The drawings also contain work from consultants, engineers, and other architects who collaborated on the development of the various projects. The drawings include: commercial, industrial, professional, civic, residential, and religious buildings of varying scales, such as libraries, apartments, warehouses, office developments, schools, military buildings, churches, and custom single-family homes located throughout California and Las Vegas. The drawings also include a number of additions, remodels, and renovations. The collection also contains project records like structural calculations and drawings, project manuals and specifications, bid documents, and professional correspondence.

The Spencer and Georgia Butterfield Papers (1890s-1978) consist primarily of photographs and scrapbooks pertaining to Spencer and Georgia Butterfield, a prominent Las Vegas, Nevada couple involved in local business and civic activities. The collection also includes newspaper clippings of their social activities, correspondence, and assorted personal memorabilia.

The Anti-Defamation League Nevada Region Office Records (2003-2019) mainly contain photographs depicting Anti-Defamation League (ADL) Nevada Region Office events. The collection also includes a sign advertising ADL's "No Place For Hate" program; ARL's 2017 and 2018 gala, "Imagine a World Without Hate" programs and invitations; and 2018's Jurisprudence Luncheon invitation commemorating the achievements and contributions of Joe W. Brown.

The Babe Pier Papers (approximately 1962-2012) include promotional materials, photographs, and audiovisual materials documenting the career of Las Vegas, Nevada-based comedian and impressionist, Babe Pier. Materials include Pier's show reels, fliers, posters, and photographs of Pier as a solo entertainer and as part of comedy groups such as the Vagabonds and the Happy Jesters. The collection includes recordings of Pier's appearances on television shows like the Mike Douglas Show and Milton Berle's comedy special as well as his comedic boxing charity fights. Materials also contain personal photographs of Pier and his family, including his wife, Cindy Raft, who managed an entertainment agency and was also an entertainer in Las Vegas.