The Thomas Clark Professional Papers (1950-1998) contain materials from his tenure as a Professor of English at the University of Nevada, Las Vegas (UNLV), which are divided into two series. The gaming research series includes newspaper clippings, correspondence, brochures, bulletins and articles. Also included are book chapters, a glossary of terms used in the casino industry, and gambling guides. In the linguistics and teaching series there are research files, articles, speeches, correspondence, interviews, multimedia, workshops, and conference materials. Also included are files on graffiti, symbolism, ethnic and regional speech differences, language usage, and National Council of Teachers of English (NCTE) material. Additional materials include colleague publications and cassette tapes of interviews from students in courses Clark taught at UNLV.

The Robert E. Robinson Legislative Papers are comprised of materials relating to Robert Robinson’s career in the Nevada State Legislature as an assemblyman and senator from 1970 to 1986. The papers include correspondence, assembly bill research, bill proposals, roll calls, and materials from assembly committee meetings. The collection also contains Robinson’s campaign materials, including financial disclosures, press releases, advertisements, and correspondence with voters.

The Toni and Wilbur Clark Photographs depict Las Vegas, Nevada casino owner and land developer Wilbur Clark and his wife Toni from 1910 to 1975. The photographs primarily document Wilbur and Toni Clark at the Desert Inn, the hotel and casino Wilbur co-owned. The photographs also depict him with politicians and entertainers, and Wilbur and Toni Clark’s house in Las Vegas.

The Emily Higby Powell Photograph Album (approximately 1910-1920) contains black-and-white photographs taken by Emily Higby Powell on a trip from New York to the west coast. The images depict desert landscape throughout the Southwest, including Northern Nevada, as well as images taken on Lake Champlain in Essex, New York.