The Peg and George E. Crockett Family Photographs (approximately 1940-2008) are comprised of aerial photographs of Alamo Airport (later McCarran International Airport) and the surrounding Las Vegas Valley in the 1940s and 1950s. Photographs of the interior, exterior, and airfield at Alamo Airport document the early stages of what is now one of the busiest international airports in the United States. The collection also contains audiovisual material, which depict events including the Miss Rodeo America pageant and the Sahara Cup boat races on Lake Mead, and locations including Fremont Street in downtown Las Vegas, Nevada and Hoover Dam. A significant portion of the collection consists of photographs of the Crockett family at various events, on family vacations, and their home in Las Vegas, Nevada.

The Irwin and Susan Molasky Papers (early 1900s-2012, bulk 1970-2012) primarily contain materials related to real estate development work by Irwin Molasky with his company, the Molasky Group of Companies, in Las Vegas, Nevada. In addition, the collection includes personal photographs (early 1900s-2011, bulk 1970-2011) of family members, friends, and events, as well as a Proclamation from Clark County, Nevada to establish the Molasky Family Park.

The Helen J. Stewart Photographs depict the Stewart Family from approximately 1860 to 1950. The photographs primarily depict Helen J. Stewart and her children as well as the Stewart Ranch (also know as the Las Vegas Ranch) in Southern Nevada. The photographs include the early Las Vegas, Nevada town site, landscapes of Southern Nevada and the American Southwest, mines and mining camps, railroads and railroad workers, the Las Vegas Fort (also known as the Old Mormon Fort), hotels and early businesses in Las Vegas, Native Americans and Native American artifacts, and postcards.

The Howard Cannon Photograph Collection (1950-1983) contains photographic prints, negatives, and one slide featuring Senator Howard Cannon at various political and publicity events with military personnel, political colleagues, and constituents primarily in the state of Nevada. Other photographs feature Cannon at political and publicity events outside of Nevada including California, New York, Florida, Oregon, and Washington, D.C.

The Marie and James B. McMillan Papers (1928-2010) primarily contain documents pertaining to the families and careers of Marie and James B. McMillan. Included in the collection are photographs, biographical materials, newspaper clippings, award certificates, programs, obituaries, scrapbooks, trophies, legal and military documents, and political campaign documents. Marie McMillan is a former Las Vegas, Nevada flight instructor and one of the first women to work at the Nevada Test Site in Nye County, Nevada. James B. McMillan was the first African-American dentist to practice in Nevada, as well as a prominent Nevada civil rights leader.