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 Elmo C. Bruner Architectural and Real Estate Appraisal Records date from 1937 to 1996 and contain architectural and appraisal records from Las Vegas, Nevada. Bruner joined A.L. Worswick’s office in 1947, taking it over following Worswick’s retirement in 1954. In 1958, Bruner formed the Las Vegas Appraisal and Finance Corporation. The bulk of the collection consists of appraisal records for residential and commercial properties in Las Vegas, Henderson, and North Las Vegas. These records provide a detailed look at the urban development of the region as well as building design, style, and neighborhood characteristics. The architectural drawings highlight the work of Worswick and Bruner, including Frazier Hall at Las Vegas High School and the original adobe administration building at McCarran Airport.

The Kirk Kerkorian School of Medicine at UNLV Records (2011-2022) documents the establishment of the Kirk Kerkorian School of Medicine at UNLV (formerly known as the UNLV School of Medicine). The materials include meeting agendas and reports from various committees, advisory boards, and the Legislative Counsel Bureau that were assessing economic impact, research strategies, medical education in the state of Nevada, and the development of the Las Vegas Medical District. Promotional and marketing materials in this collection includes event flyers and buttons produced to promote the UNLV School of Medicine. The collection also contains papers from Dr. Barbara Atkinson, the founding dean of the UNLV School of Medicine, such as letters of congratulaions on her appointment and biographical information. Also included are copies of the school's first commencement and hooding ceremony and a memoir written by James Dean Leavitt that details his experience building the School of Medicine as a member of the Board of Regents and as Chairman of the ad hoc Health Sciences Center Committee.