The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.

The University of Nevada, Las Vegas Photograph Collection (approximately 1900-2004) depicts the development of the university and the city of Las Vegas. The collection includes images of campus buildings, student activities, sports teams, past university presidents, and Las Vegas in the early twentieth century. Early images depicting the surrounding area are included in this collection as well.