Handwritten diaries, patriarchal blessings, and miscellaneous items. Farnsworth gives a brief autobiography before he started his first diary in 1862. His diaries cover from 1862 to 1864 and from 1868 to 1870 when he was on a mission for the Mormon Church in England. Also included are patriarchal blessings for members of the Farnsworth family.

Correspondence, record books, pension petitions, certificates, pamphlets, articles of incorporation, poems, blessings, poems, and miscellaneous items. The materials relate to Farnsworth's activities particulary in the Mormon Church. Included in the collection are letters from the fourth president of the Mormon Church, Willford Woodruff, patriarchal blessings, letters relating to Mormon polygamy, and a book recording the work done in the Manti Temple of the Mormon Church.