The Marjorie Barrick Museum of Natural History Records (1939-2003) detail the creation of the Marjorie Barrick Museum of Natural History in Las Vegas, Nevada founded by Richard H. Brooks, a professor of anthropology at the University of Nevada, Las Vegas. The records are comprised primarily of correspondence between Brooks and members of the Southwestern Anthropological Association (SWAA), the Society for California Archaeology (SCA), and the meetings and exhibitions of the Nevada State Museum. The collection also contains financial statements that describe expenses for supplies, research, and excursions. Also included are anthropological, archaeological, and historical publications, as well as administrative files and Richard Brooks' correspondence with the Nevada Archaeological Survey (NAS). The collection also includes architectural floor plans for the Classroom and Physical Education, the original space that was converted into the museum in 1980, and plans for the redesign of the Barrick Museum and the Harry Reid Environmental Research Center addition.

The Byrd Wall Sawyer Collection primarily consists of Byrd's research files on Nevada from 1930 to 1970. The materials concentrate on her monograph, "Nevada Nomads," as well as her co-authored textbook, "Here is Nevada." The collection also includes speeches, journal articles, memos, research note cards and papers, correspondence, informational booklets and pamphlets, maps, photographs, audiovisual materials, and newspaper articles and clippings.

Citizen Alert is a Nevada-based environmental organization established in 1975 in response to Yucca Mountain being considered as the repository for the nation's nuclear waste. The records in the collection date from 1971-1999, with the bulk of the records from 1988-1996 and focused on issues of concern to Southern Nevada. The collection includes a large subject and administration file containing the organization’s mailings, fliers and newsletters regarding environmental issues and events, newsletters of other environmental organizations, press releases and brochures from a number of government agencies, and newspaper clippings on specific environmental topics. The collection also contains a number of environmental reports from federal, state, and local agencies as well as a number of conference and activist packets.

The Binion's Horseshoe Casino Records on Poker (1960-2006) are composed of materials related to the World Series of Poker (WSOP) held at Binion's Horseshoe Casino. Publicity and promotional materials include press releases and press kits, newspaper and advertising clippings, photographs, advertising campaigns, and advertising copy. These records were mainly generated by the Binion press agent, Henri Bollinger. Other topics covered in the collection include the establishment of the Poker Hall of Fame, and promotional and publicity efforts by Binion's Horseshoe in the 1970s and 1980s.