The Howard Hughes Public Relations Photograph Collection depicts the activities of businessman Howard Hughes from 1930 to 1950. The photographs primarily depict aircraft flown by Hughes or designed by the Hughes Aircraft Company, including the XF-11 reconnaissance plane, the HK-1 Hercules (or "Spruce Goose"), and the Hughes H-1 Racer. The photographs also depict celebrations following Hughes's circumnavigation flight in New York City, New York and Chicago, Illinois in 1938. Lastly, the photographs include Hughes testifying in front of the Senate Special Committee to Investigate the National Defense Program in 1947.

The Anna Dean Kepper Postcard Collection (approximately 1930-1977) contains postcards and photographic negatives depicting Southern Nevada and California. The images portray Scotty’s Castle in Death Valley, California, street scenes from Southern Nevada mining towns, and Nevada deserts and flora.