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 John Levy Lighting Productions, Inc. Records (approximately 1990-2022) contain correspondence, invoices, contracts, expense reports, newspaper and magazine clippings, photographs, slides, and digital files detailing the development of various projects primarily in Las Vegas, Nevada. The records also contain architectural lighting drawings, electrical schematics and design details, conceptual sketches, and artist renderings of projects in Las Vegas, throughout United States, and various international locations.

The J. A. Tiberti Construction Records include material documenting construction work performed throughout Las Vegas, Nevada between 1950 and 2011 including bid packages, specifications, contracts, correspondence, company records, legal documents, and architectural plans.

The Domingo Cambeiro Corporation Architectural Records contain renderings and presentation boards depicting schools, commercial properties, public facilities, and government buildings throughout Las Vegas, Nevada between 1979 to 2010. The collection also includes architectural drawings of the Thomas & Mack Center on the campus of the University of Nevada, Las Vegas.

The MacDonald Ranch Architectural Records contain master plans, architectural drawings, civil drawings, and landscape drawings primarily detailing the community development process of MacDonald Ranch, one of the oldest and most affluent master-planned communities in Clark County, Nevada between 1972 to 2007. Included are also drawings for MacDonald Highlands and Green Valley Ranch.

The American Institute of Architects (AIA) Nevada Design & Service Awards Records (2015-2016) is comprised entirely of digital files of forms and project submittals for one of its sub-programs: the AIA Nevada Excellence In Design Awards. These projects primarily pertain to Las Vegas, Nevada, but include other locations throughout Nevada, the United States, and internationally. Project types include residences, commercial buildings, public facilities, and educational buildings.

UNLV University Libraries Collection of Architecture Drawings contains original hand-drawn architectural drawings, print reproductions, computer generated prints, and board-mounted artist renderings dating between 1926 and 2003. The collection primarily focuses on Las Vegas, Nevada, but also includes projects throughout Nevada and other states including Utah, Arizona, California, Mississippi, and Colorado.