The John Lowry Sr. and John Lowry Jr. biographies of both these early settlers to Utah are undated.

The William Luck journal (1849-1868) was kept by Luck with intermittent entries. It begins with his joining the LDS Church and ends abruptly while describing his daily activities in Utah.

The Albert Robison Lyman 27-page booklet (1997) focuses on Edward Partridge's conversion to the Church of Jesus Christ of Latter-day Saints in 1830 and his subsequent activities as a church leader. Included are copies of letters written by Edward Partridge and of a patriarchal blessing given to him by Joseph Smith.

The Eliza Maria Partridge Smith Lyman diary [photocopy and typescript] (after 1889) consist of a record of a woman's day-to-day hardship and heartbreak while crossing the United States as a young wife and mother. Communities such as Salt Lake City, Oak City, Fillmore, and the San Juan country play important roles in the journal as family members moved and settled down.

The Platte De Alton Lyman papers (1898-1901) consist of a diary [typescript] by Lyman and a biography of Lyman by his son, Albert R. Lyman. Platte Lyman was a cattle and horse rancher in southern Utah. He also served in various capacities in the LDS Church.

The Dennis L. Lythgoe papers (1977-2008) consist of correspondence, column manuscripts, personal materials, and newspaper clippings of the columnist and professor of history.

The Wandle Mace papers (circa 1800s) contain typescripts of an autobiography and journal of Wandle Mace (1809-1890).

The Daniel MacGregor essay is entitled "Changing of the Revelations". The essay discusses the existence and changing nature of revelation as it relates to the Church of Christ, Temple Lot, headquartered in Independence, Missouri.

The Brigham Madsen audio-visual collection (1986-1994) consists of video and audio recordings of speeches, interviews, and radio broadcasts covering a variety of religious and Western historical subjects. Dr. Brigham D. Madsen is a historian, educator, and author of several works concerning Western/Native American history. He has served as chair of the University of Utah History Department and earned academic honors including the Distinguished Teacher of the Year.

The Hans Olson Magleby papers (1855-1875) consist of photocopies of the diary kept by Magleby (b. 1835) from 1855 to 1875, and a transcript of the diary and his autobiography, written in 1857. The documents contain genealogical date and cover topics such as the author's conversion to the LDS Church in Denmark, a mission to Norway, sailing for America, joining a handcart company, the journey to Utah, life in Ogden and Salt Lake City, and a move to Monroe on the Sevier River in 1875.

The Heber L. Magleby diary [typescript] (1900) was kept by Magleby during the South American Expedition of 1900. This expedition was launched by professors and students from Brigham Young Academy and Snow Academy in an effort to validate Book of Mormon historical claims through archaeological discovery.

The Manti, Utah photograph collection consists a plate containing a photograph of the Manti Temple from The Western Architect and Building News, vol. 1, no. 6.

The history of the church is microfilmed history of the LDS Church written by scribes and taken from the diaries of Joseph Smith Jr.

The Allen Dean Marler diary and correspondence (1923-1924) were both written by Marler while serving a mission for the LDS Church in the Eastern United States.

The H. Michael Marquardt papers (1800-2017) contains correspondence, clippings, diary copies, scholarly articles, miscellaneous research materials on topics in LDS history and theology. Marquardt is a historian and author.

The H. Michael Marquardt photograph collection consists of images dealing with early Mormon church history, including maps, writing/documents, and grave sites of early church leaders.