Materials include keepsakes, letters, and poems collected by Horace K. Whitney and Helen Mar Kimball. Includes cards and a woven envelope that were made by or given to Helen. There is also a letter from Helen to Horace. Materials also include an envelope that belonged to Louisa Beaman, the first plural wife sealed to Joseph Smith. Dated 1847-1866.

Materials include documents relating to the family and descendants of Orson F. Whitney. Materials include pedigree charts from the Whitney and Smoot families, Zina B. Smoot papers, items collected by Horace K. and Helen Mar Kimball, family writings, correspondence, blessings, Church documents, poems, and photographs. Dated approximately 1847-1900.

Materials include photocopies of correspondence between Orson F. Whitney and Zina B. Smoot Whitney in addition to photocopies of correspondence from Abraham O. Smoot, Margaret T. Smoot Dusenberry, and some of their other friends, relatives, and associates. Most of the letters are concerning personal family matters and religion. Dated approximately 1868-1898.

Materials include correspondence between Zina B. Smoot and her friends and family. It also includes correspondence about Zina sent to Orson F. Whitney after her death. Dated approximately 1872-1906.