Contains many letters, speeches, and articles written by Clark. Many are letters written to his family members in the holiday season, and the speeches and articles were often given at Brigham Young University-sponsored events or published in church magazines such as the Ensign. The letters were compiled by Clark's daugher, transcribed, and put in chronological order following his death, dated 1956 to 1977.

Collection contains the original journals and autobiography of Marianne Sharp, written between 1977 and 1989 while she was in Salt Lake City, Utah. Digital copies of the journals are also included in the collection. The volumes document her life from approximately 1907 to 1989, including autobiographical entries as she reviewed letters and journals from her past to record her personal history. Materials dated approximateley 1907-1989.

Genealogies, biographies, correspondence, family histories, and wills. The materials relate to the history and genealogies of the Farnham, Roberts, Clark, Coray, Stevens, Andrews, Noel, Knapp, and Knowlton family.