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 Robert Marsham diary (1864-1865) consists of a photocopy of the original diary. Marsham was a well-known explorer, and in this diary he describes his travels in Northern California, British Columbia, Yosemite, Idaho, Utah, the Sandwich Islands, and the Far East. Access to original diary restricted except with permission of the Manuscripts Curator.

The George V. Martin papers (1964-1980) contain two pamphlets and several essays authored by Martin on his philosophy of life. Martin is a writer and philosopher in Salt Lake City, Utah.

The David Hogg Matheson autobiography is a typescript which was dictated by Matheson to his granddaughter Barbara Ellen Matheson Adams.

The G. Stanley McAllister papers (1920-2006) contains copies of typed and handwritten diaries, letters, and biographical information, most of which were written by McAllister during the time he served in the Eastern States mission for The Church of Jesus Christ of Latter-day Saints (LDS Church). McAllister was a New York City merchandising executive.

The John Jasper McClellan correspondence (1917 and 1919) consist of three letters from McClellan (1874-1925) to his daughter, Geneve.

The Eldon T. McEntire papers (1926-1991) contain correspondence, articles, tests, financial materials, notebooks, fliers, pamphlets, booklets, teaching materials for the Church of Jesus Christ of Latter-day Saints (LDS Church) and the Young Men and Young Women Mutual Improvement Association (YMMIA and YWMIA), and news clippings.

The Eldon McEntire collection consists of one portrait of two people, an aerial photo of Weber county, and several photos of a house.

The Sheridan L. McGarry papers (1864-1950) contains an article, correspondence, notes, and news clippings relating to the study of LDS currency. McGarry researched and wrote a lengthy article on the subject, which was published in The Numismatist.

The Sheridan L. McGarry photograph collection contains two black and white prints of the First Presidency of the L.D.S. church from 1847 to 1854, and a print of Frederick G. Williams. There is also a negative of two unidentified people looking at photographs.

This collection is entirely digitalized and available online in our Digital Library.

The Joseph H. McGee diary (1887) speaks of his family moving to Missouri in 1837, and of several experiences with Joseph Smith and the members of the Church of Jesus Christ of Latter-day Saints.

The Ralph Martin McGrath term paper (1965) is titled "Was Austin Cowles a Conspirator against the Life of the Prophet?" The paper conclusively demonstrates that Austin Cowles, of whom McGrath is a decendant, had no role in the conspiracy against the LDS prophet, Joseph Smith.

The Karolyn Wright McGuire papers (1972-2003) contain photocopies of history information pertaining to the Church of Jesus Christ of Latter-day Saints. A paper included in the collection is Dr. John H. Pratt, "The Birth of Mormonism." McGuire was the editor/reporter of the Shortsville and Manchester Enterprise, a weekly newspaper in Manchester, N.Y. She was also Manchester's town historian.

The David Oman McKay photograph collection consists of four unidentified portraits believed to be of members of the McKay family; two group portraits of LDS missionaries.

The Llewelyn Riggs McKay papers (1911-1960) contain correspondence, newspaper clippings, reports and articles. Of special note is a bound volume consisting of a typescript of McKay's missionary journal and correspondence, complied and edited by his children, Douglas R. McKay and Bonnie M. Nelson. This collection also includes many original letters between the McKay family throughout McKay's schooling, teaching and army service.

The William Athole Macmaster diaries [photocopies] (1851-1869) detail McMaster's early life, conversion to the LDS Church, his LDS mission experiences, and his family's move to Salt Lake City, Utah. William McMaster (1816-1887) was an early Mormon convert in Scotland.