The Naomi Barlow Larson autobiography (2010) is entitled The Poet's Wife. Larson discusses her personal history along with biographical sketches of her parents, Elbert Henry Barlow and Alice Alberta Sweeten Barlow.

The Stan Larson papers (1842-2011) consist of an interview of Larson, manuscripts, articles, notes, newspaper clippings, conference papers, diaries, correspondence, book reviews, books, and assorted materials. Larson was an associate librarian and curator of manuscripts at the J. Willard Marriott Library, University of Utah. He was also a scholar and writer on topics dealing with the LDS Church.

The LDS Church Galilee Branch interviews (2007-2010) consist of interviews conducted with members of the Galilee Branch of the LDS Church living in Tiberias, Israel.

The LDS Church statistics records (1903, 1918) consist of two ledgers that contain statistical information of wards and stakes in Utah and surrounding states regarding number of members, amount of tithing received, attendence numbers, and other administrative information.

The Dale Campbell Le Cheminant papers (circa 1980s) consist of class handouts and outlines dealing with LDS doctrine resulting from his teaching activities at the University of Utah's LDS Church Institute of Religion.

The Sarah Studevant Leavitt history [typescript] deals mostly with the migration of her family from Canada, beginning in 1835, to Nauvoo, Illinois, and then to Salt Lake City, Utah.

The Amarilla Hamblin Lee interview (1970) was performed by P. T. Reilly with Amarilla Lee regarding her father, Jacob Hamblin, a Mormon polygamist.

The John Doyle Lee papers (1876, 1949, 1982) comprise two categories of documents: typescripts of diaries and journals written by Lee between 1841 and 1851 and typescripts of documents written about Lee at later dates. The latter category includes book excerpts, a legal document, and a research paper.

The Thomas A. Leishman papers (1887-1998) contain his mission diary and various personal and biographical documents. Leishman was born in Scotland and emigrated to Utah in 1852. He helped lay out the city of Wellsville, Utah, and assisted in the construction of every public building in the community. He later served an LDS mission to England and Scotland form 1887 to 1889.

The David T. Lewis photograph collection consists of various family and individual portraits of the Lewis family with an emphasis on T.D. Lewis.

The Ola Nilsson Liljenquist papers (1948-1989) contain an article and a biography. Liljenquist was born in Ignaberga, Christianstaad, Sweden, where he was converted to the LDS Church. He settled in Hyrum, Utah and served as an LDS bishop and served ten terms as mayor. He created a "cooperative city" and implemented the construction of the road through Blacksmith Fork Canyon.

The O. Ragnar Linde papers (1921-1966) contain personal papers, correspondence, and diaries documenting Olof Ragnar Linde's missionary experiences, as well as additional documents regarding the LDS Church.

The O. Ragnar Linde photograph collection consists of images of Linde during an L.D.S. mission in the Eastern States from 1922-1925.

The Martin S. Lindsay diary contains an account of day to day events in Salt Lake City, Utah, by Lindsay. He refers to personal affairs, church work, gardening, and makes several references to the exploits of Jack the Ripper in London.

The Mark Lindsey papers (1851-1997) consist of diaries (1851-1896), personal papers, and business records. Included are miscellaneous materials related to Lindsey Gardens.

The Alma James Lindsey papers (1890-1899) contain a diary, essay, and a photocopy of a news clipping. Lindsey was a warehouse owner and operator in Utah.

The Wesley Parkinson Lloyd diaries (1929-1935) consist of photocopies of Wesley Lloyd's diaries. Diaries kept from 1929-1935 giving an account of a mission to Pittsburgh (1929) for the Church of Jesus Christ of Latter-day Saints, and life in Salt Lake City (1933-1935).

The "Biographical Sketch of John Varah Long: His Diaries, Writings, Lectures and Notes" was compiled by Irma Watson Hance and Irene Warr. The biography consists of family information; largely transcriptions from Long's 1851 and 1862 diaries; and letters.