The Steven K. Madsen newsletter collection (1996-1998) contain copies of the Spanish Traces, published by the Old Spanish Trail Association. Steven K. Madsen is an historian and the author of several books about the history of the settlement of the Intermountain West.

The Cyprian Marsh papers (1829-1996) consists of the diary of Cyprian Marsh (1829-1886), a certificate of ordination as an elder signed by Joseph Smith (1842), a history of family ownership of the diary, and loose notes thought to be written by Cyprian Marsh. Marsh was a convert to the LDS Church who fled Nauvoo in 1846 and came to Utah in 1853.

The Murdock family papers (1850s-1970s) contain genealogical and biographical information on four generations of the Joseph Stacey Murdock family. Joseph Stacey Murdock and wife emigrated from Nauvoo to Utah in 1847 and settled in the Heber City, Utah, area.

The George Numbers papers (1848-1952) are a collection of letters and essays written mostly by George Numbers, and his daughter, Emily Numbers. The letters were written by George Numbers in 1848, when he was in California during the Gold Rush. There is also an autobiography written by Emily Numbers, who was a school teacher in Indiana and Texas from 1882 to 1932.

The Oregon-California Trails Association photograph collection contains photos of the group volunteering at Crossroads Urban Center.

The Oregon-California Trails Association records (1989-1999) contain minutes, publications, correspondence, and convention documents of the organization. The Oregon-California Trails Association was formed to conduct scholarly research and to preserve the historic sites associated with the Oregon and California Trails.

The Oregon-California Trails Association, Utah Chapter records (1989-1991) consist of a charter and membership list for the organizing meeting, correspondence, and nominating committee information for the Board of Directors.

The collection (1862-1911) consists of memorabilia of the Overland Stage Lines including a time table, a receipt, a check, and a waybill. Also included in the collection is correspondence and ephemera of Nathan Stein.

The Ethan Pettit diaries (1855-1881) consist of eight diaries which describe the life of Pettit, a native New Yorker who moved to Utah in 1848 after joining the LDS Church.

The S. S. Schweitzer papers consist of first and second drafts of Schweitzer's play, The Tragedy of the Donner Party, which was later filmed as a made-for-TV movie under the title, Donner Pass: the Road to Survival.

The Joseph Slater promissory notes (1860) specify amounts of money owed by Slater for hand cart shares with payment due on his arrival in the Great Salt Lake area.

The John B. and Margaret Gibson Smith papers (1856-1935) contain a short history of Margaret Gibson Smith, several patriarchal blessings, and a news clipping about the dedication of a monument in Lincoln, Utah honoring Margaret and other pioneer women in that area.

The Walter M. Stookey papers (1936-1951) consist of research materials and a manuscript entitled "Fatal Decision: The Tragic Story of the Donner Party" which was published in 1950.

The Ossian F. Taylor papers (1851 and 1909) contain an overland diary, a transcript of the diary, and a photocopy of the Taylor family genealogy. Taylor was born in Maine. Although not a member of the LDS Church, he traveled to Utah with members of his family who were members.

The Third Wagon Company roster (1860) is a typescript roster of the LDS Church emigrant company of 1860, captained by Jesse Murphy. The company started 19 June 1860 and arrived in Salt Lake City, Utah, on 30 August 1860.

The Charles I. Wheat papers (1937-1958) contain thirteen letters from Dale Morgan to Carl Wheat concerning research in Western history. Also included are transcripts of articles from various Illinois and Iowa newspapers and a proposal for a book by Wheat titled, First Visible Footsteps of the White Man in Death Valley.

The George Whitaker autobiography details the life of George Whitaker (1820-1907), a convert to the LDS Church who emigrated from England to the United States.

The William Gibson family papers (1869-1960) contain written histories, financial records, correspondence and books relating to the Gibson family, and William Gibson's service during the Black Hawk Indian War.