The Key Pittman Correspondence, dated 1933 to 1940, consists of correspondence between U.S. Senator Key Pittman via his clerk James A. White and various constituents who sent him books on a variety of subjects.

The Norman C. Jensen Collection, dated from 1867 to 1968, contains documents discovered by Norman C. Jensen at Fort Taylor, Florida. The collection includes a copy of the "Report of a Guard Mounted at Fort Jefferson, Florida on May 28, 1867" that describes four individuals accused of conspiracy in connection with the assassination of President Abraham Lincoln. The collection also contains an original report entitled "Quarterly Report of Artillery Inspection of Fort Taylor, Florida" dated December 31, 1903, and Lt. Col.

The Harvey L. Daiell Papers (1855, 1953) contains a diploma of Euphasia Humphrey (a distant family member of Daiell) from Rogersville Union Seminary, dated June 21, 1855, and a brief genealogy of the Daiell and Humphrey families. The collection also contains a bound book of letters titled "Howard D. Evans - His History at Lakeside Laboratories As Told by His Friends," compiled by Daiell in 1953.

William M. Stewart Correspondence is primarily comprised of handwritten letters addressed to U.S. Senator William Morris Stewart, between 1854 and 1872. Many of the letters were written during his first term in office. Also included is one document about the reappointment of a postmaster of Sutro, Nevada, and a manuscript telegram from Frances P. Hayes about the territorial organization and judicate district in Indian Territory.

The Elma G. Leland Papers contain materials related to the aviation industry in Las Vegas, Nevada from 1948 to 1978. The papers include several aviation publications, articles about Fred W. Kelly, Western Airlines International's first pilot, and newspaper clippings about aviation in Nevada.

The Arlene Mathews Smith Papers are comprised of materials pertaining to the area around Panaca, Nevada, dating from 1917 to 1978, with a bulk of the items from the 1920s. The papers were collected while she lived in Panaca and consist of records and booklets from the 4-H Boys and Girls Club, two copies of the "Lincoln Lantern" dated 1927, and memorabilia.

The Sidney R. Whitmore Collection (approximately 1885-1970) contains land deeds and other documents about Mount Diablo, Nevada; documents detailing parts of his family history; and eight framed paintings of landscapes and portraits.

The Evelyn Semling Music Transcripts (unknown dates) contains the words and music to 38 children's songs written by Semling during her teaching career. She titled the collection "Music in Motion."

The L. Paul Mercer Papers date from 1939-1970 and consist of personal correspondence, newspaper clippings, photographs, and textile samples dyed in the Native American tradition.

The Maryellen Vallier Sadovich Papers include transcripts and handwritten and photocopied documents pertaining to early Nevada history from 1852 to 1934.