The Pueblo Grande de Nevada Manuscript Collection (1924-1983) contains journal articles, photocopies of artifact inventories, reports, correspondence, and field notes related to the Pueblo Grande de Nevada archaeological site located in the Overton Valley of Southern Nevada. The bulk of the materials are related to Mark R. Harrington's archaeological reports, journal articles, and data from sites throughout the Overton and Moapa valleys. The collection also includes materials related to the Boulder Dam Park Museum (Lost City Museum of Archaeology) located in Overton, Nevada, which housed many of the artifacts and photographs from Harrington's archaeological sites.

The Alice Key Papers (1936-2004) consist of documents detailing Alice Key’s life and work in the African American community, historic preservation, and labor relations in Las Vegas, Nevada. Included in the collection are awards and certificates documenting Key’s achievements, invitations and programs to events, political and civic correspondence, and magazine and newspaper articles both about Key and written by her. The collection also contains photographs.

The Harold Stocker Photographs depict Harold Stocker and his family from 1850 to 1980. Materials include photographs of Harold Stocker, his parents, his siblings, and his extended family. Materials also include photographs of Harold Stocker's business interests such as the Northern Club in Las Vegas, Nevada, the Nevada Silica Sand Company in Overton, Nevada, and the Chief Hotel Court on Fremont Street in Las Vegas, Nevada. The collection also contains photographs of Stocker participating in Republican Party events in Nevada.