The Cleghorn mss., 1826-1893, consists of correspondence and papers of Indian trader William W. Cleghorn, 1815-1878, and material pertaining to his estate.
The Custer mss., 1876-1933, consists of a copy of the Proceedings of the Court of Inquiry, January 13, 1879, in the case of Major Marcus A. Reno concerning his conduct at the Battle of the Little Big Horn River, 1876.
The Ellison mss. II, 1857-1940, consist of copies of articles, talks, extracts, etc. that were duplicates in the Ellison collection at the Harold B. Lee Library of Brigham Young University in Provo, Utah.
The Greene mss., 1876-1914, consists primarily of letters written in 1876 by Francis Vinton Greene, 1850-1921, general, historian, and engineer, to his mother, Martha Barrett (Dana) Greene, 1809-1883.
The Harding mss., 1843-1930, consists of the papers of Stephen Selwyn Harding, 1808-1891, lawyer, governor of Utah Territory, and chief justice of Colorado Territory.