The Sterling M. McMurrin papers (1830-2001) chronicle McMurrin's life as family man, student, educator, administrator, U.S. Commissioner of Education, philosopher, observer and critic of Western culture and religion, and participant in LDS culture. The papers (1830-2006) consist of correspondence, scrapbooks, daily planners, interviews, academic materials, governmental papers, speeches, lectures, publications, manuscripts, and awards.

The Robert I. McQueen biographical sketch (2003) entitled, "Robert I. McQueen: Missioanry, Editor, and Activist" was written by Jay Bell and discusses the struggles of McQueen who was an editor for the Advocate.

The Madeline R. McQuown papers (1803-1976) contain some of McQuown's research and works. While the collection does contain some of McQuown's more personal works, such as some of her poetry, the collection deals mainly with her research. Her research was focused on Brigham Young and the history of the Church of Jesus Christ of Latter-day Saints (the LDS Church).

The Madeline Reeder McQuown photograph collection contains individual and group portraits of individuals important in Latter Day Saint history, photographs of LDS (The Church of Jesus Christ of Latter-day Saints) historic sites and photographs of scenes in Salt Lake City.

The collection consists of a transcription of the diary of an LDS missionary to Hawaii 1881-1884. Includes detailed notes on the trip to San Francisco, the steam voyage to the Islands, and activities in Hawaii. Original may be incomplete; does not include return trip.

The Bayard Mendenhall essay entitled, "The Philosophical and Scientific Works of Orson Pratt" (1943) was presented to the Timpanogos Club and gives an overview of some writings of Orson Pratt, an LDS leader of the nineteenth century. Bayard W. Mendenhall (1848-1944) was a Utah businessman and legislator.

The Joseph F. Merrill papers (1898-1952) contain articles, speeches, pamphlets, radio talk transcripts, class instruction texts and notes. Joseph F. Merrill (1868-1952) was an engineering professor at the University of Utah and later became an apostle in the Church of Jesus Christ of Latter-day Saints (LDS Church).

The Marriner Wood Merrill diary [typescript] (1886-1890) documents daily activties, in particular, expenditures.

The Taylor H. Merrill diary and scrapbook (1926-1928) document Merrill's mission to the Southern United States for the LDS Church.

The Stephanie Young Merzel papers (1861-1948) are photocopies and transcripts of correspondence between Joseph Franklin Barton and his son, Morgan Amasa Barton, while the father was in prison for polygamy. There is also a family history by Morgan Amasa Barton, titled "The Back Door to San Juan," which discusses the family's journey through Hole in the Rock in 1855.

The Stephanie Young Merzel photograph collection contains images of an unidentified family at the beginning of the 20th century. No further information is available. All images in the Merzel collection are digital only.

The George A. Meyer essay (1960s) consist of a paper by Meyer entitled "A Critique of Mormonism and the Negro." Meyer's paper critiques a 54-page tract by John J. Stewart, a prolific writer on the subject of Latter Day Saint doctrine, entitled "Mormonism and the Negro."

The Joseph H. Michell diary (1897-1899) is a photocopy of Mitchell's LDS mission journal from Great Britain. Mitchell joined the LDS Church in 1882. He later served as a missionary in Scotland from 1897 to 1899.

The Midwest Pilgrims Conference records (1983-2003) contain correspondence, pamphlets, contacts, songs, notes, agendas, and evaluations from the Midwest Pilgrims retreats and articles relating to religion and feminism.

The Grant N. Mildenhall papers (1820-2009) contain an essay examining the relationship between the owners of mummies mentioned by Joseph Smith. Also included in the collection is a letter and article clippings.

The Jacob Miller papers (1809-1960) are comprised of Jacob Miller's diary, correspondence, news clippings, and family diaries and biographical sketches. Jacob Miller (1835-1911) was an early settler of Farmington, Utah, and member of the LDS Church.

The Robert L. Miller papers (1832-2008) contain information regarding Miller's life, as well as collected research regarding the Latter-day Saint Church, science, evolution, and Henry Eyring. The collection contains correspondence, handwritten notes, printed materials, journal entries, bound works, various articles, newspaper clippings, bibliographic materials, etc.

The A. Selden Millward correspondence (1926) consists of letters, some from B. H. Roberts, regarding the management of the Eastern States Mission. Millward was a native of Utah who served as president of the Eastern States Mission of the LDS Church.