Handwritten copy of a letter appealing to the president of the United States, James K. Polk. The item was copied in 1890, but the original was dated 1 June 1846. The letter states that the Mormons have been persecuted and appealed for aid. It is believed that Polk's call for volunteers to fight in the war with Mexico was an answer to this request. The "Mormon Battalion" was formed in consequence.

Fifteen months experience gives an account of Bulkley's journey following his release from the Mormon Battalion until he rejoined his family. This collection includes a photocopy of the original account.

Photocopy of a typescript of a diary kept from 1846 to 1848. Holmes writes about enlisting in the Mormon Battalion, the march to Santa Fe and to California, being discharged from the service, and his travels to Sacramento, California, and to Salt Lake City, Utah. Also included is an obituary for Holmes, his account book, and biographies of Franklin Weaver and Sarah Elizabeth Holmes.

List of burial places of Mormon Battalion members, collected by Carl V. Larson, 1987.

Biography of David Pinkney Rainey (1815-1888) by an unknown author. Rainey was baptised into the Mormon Church in 1843. He served on two missions for that church and was in the "Mormon Battalion" (1846-1847) during the war with Mexico. He came to Utah and lived in Provo and Richmond in that state.

Typescripts (some duplicated). The collection includes autobiographical sketch of William C. McClellan, member of the Mormon Battalion and of the Nauvoo Legion in Utah Valley, Utah, a biographical sketch of his wife, Almeda D. McClellan by Zitelle M. Snarr, and an autobiography of their son David A. McClellan Sr. which includes details of life in the Mormon colonies in Mexico and Arizona.

Materials include reports, minutes, biographies, correspondence, histories, newsletters, and other materials from the Mormon Battalion Association and its earlier women's auxiliary organization, both of which were headquartered in Lehi, Utah. The materials document the activities and governance of these organizations, as well as the history of the original Mormon Battalion of 1846-1847. Materials date from between 1846 and 2012.

Contains poll books, certificates, petitions, reports, orders, and other materials related to Mormon militia units, including both the Nauvoo Legion and the Mormon Battalion. Materials date from between 1840 and 1858.

Joseph Lee Robinson's autobiography and journal, 1852-1893. Joseph Lee Robinson writes about his family, spiritual manifestations, conversion to The Church of Jesus Christ of Latter-day Saints, Joseph Smith's teachings, his journey from Nauvoo to Salt Lake City, service as a bishop, how seagulls saved the crops, death of Jedediah M. Grant, his plural wives and his journey to southeast Idaho.

Photocopy of a microfilm copy of a handwritten autobiography and diary. Smith was born in New York in 1828 and joined the Mormon Church in 1839. He moved to Nauvoo, Illinois, in 1840. He kept a diary during his service with the "Mormon Battalion" during the War with Mexico from 1846 to 1848. Smith married in 1850 and moved to Sanpete Valley in 1850. He lived in Manti, Utah, and wrote about his activities and experiences there.