The Howard Hughes Professional and Aeronautical Photographs contain black-and-white photographs of businessman and entrepreneur Howard Hughes and his companies from 1916 to 1997. The photographs primarily depict Hughes alongside his aircraft, including the XF-11 prototype reconnaissance plane and the HK-1 Hercules, better known as the "Spruce Goose" or "Flying Boat." The photographs also cover the companies owned by Hughes, including Hughes Tool Company, Hughes Aircraft Company, Hughes Electronics Corporation, and RKO Pictures.

The Young Audiences New York, Nevada Humanities Collection dates from 1960 to 1982 and chronicles the chapter’s efforts to bring music education to students from kindergarden through high school of the Clark County School District in Nevada. The collection contains accounting records, performance reviews, grant applications, correspondence, and employee information. The collection also contains performance announcements, newspaper clippings, and students’ thank-you letters.