The collection, dated 1941-1947, consists of loose-leaf notes from the daily journal of Arlin Rex Johnson (1898-1970), Budget and Planning Officer at the Coordinator of Information (COI) office in Washington, D.C. from September 2, 1941 to December 23, 1941, and a list of foreign visitors during his tenure as Assistant Director of Foreign Agricultural Relations at the United States Department of Agriculture from 1945-1947.

The Squires Family Photographs document the Squires Family and the development of the Las Vegas Valley in Nevada from approximately 1860 to 1980, with a bulk of the photographs depicting people and events from 1900 to 1950. The photographs depict the Euro-American settlement and growth of Las Vegas, Nevada; traveling and exploration of Southern Nevada and the Southwestern United States; the Hoover (Boulder) Dam and the Colorado River; clubs and social groups; and the Squires Family, especially prominent newspaper editor and publisher Charles Pember (C. P. or “Pop”) Squires, Delphine “Mom” Anderson Squires, and their children.

The Michael McKensie Pratt Professional Papers (approximately 1950-2021) contain costume designs, musical selections, and synopsis for shows that Pratt worked on in Las Vegas, Nevada including 90 Degrees & Rising, Les Folies Chic, and Jubilee!. The collection also contains souvenir show programs for cabaret shows performed in Paris, France and Las Vegas, Nevada, including Lido de Paris, Casino de Paris, Bal du Moulin Rouge, and Folies Bergere. Materials also include copies of Pratt's curriculum vita and swing bible used by Pratt when he was the co-company manager for Jubilee!. Also included are video recordings of shows Pratt choreographed and an archived version of Pratt's personal website.

The Southern Nevada Community Concerts Association (SNCCA) Records (1939-2004) document the activities of the SNCCA and consist of meeting minutes, financial records, correspondence, promotional papers, newspaper clippings, scrapbooks, photographs, and recordings of select concerts on VHS, Betamax, and an optical disc. The SNCCA worked to bring various singers, orchestras, and ballets to the communities of Las Vegas and Southern Nevada.

The Environmental Radiation Protection Standards for Yucca Mountain, Nevada collection (1957-2010) is an information docket established by the U. S. Environmental Protection Agency (EPA). The collection contains documents supporting the development of regulatory decisions by the EPA on radiation protection standards for Yucca Mountain, Nevada, evaluating it as a potential site for a radioactive waste storage repository. The collection includes regulatory notices, technical documents, environmental reports, letters, minutes of meetings, public comments, and other materials.

The Richard "Dick" Stabile Music Scores (1899-1986) is comprised primarily of musical scores arranged, composed, and performed by big-band leader and musician Dick Stabile. The scores, dating between 1941 and 1980, include popular music arrangements and original compositions, including original orchestra music for the documentary film Born to Buck. Also included in the collection are commercially produced popular music sheets published between 1899 and 1986.

The J. Ross Clark Scrapbook dates from approximately 1897 to 1972 and consists of newspaper clippings collected by his wife, Miriam Evans Clark. The clippings relate to professional events in the lives of J. Ross Clark and his brother, Senator William A. Clark. A small number of the clippings refer to births, marriages, and deaths in Miriam Evans and J. Ross Clark's families. Also included are documents written by J. Ross Clark's grand-niece, Dorothy Murdock Dunkley, that offer additional information about the Clark and associated families.