Contains family correspondence of Isaac Russell [Jr.], including a letter from his wife, Althea Russell. Isaac was usually referred to as Ike or Ikit when he was young. 12 items, dated March 27, 1887 to October 12, 1908.

Contains correspondence of Isaac Russell [Jr.], with family as well as Heber J. Grant and Dr. John A. Widtsoe. 12 items, dated July 23, 1912 to July 19, 1928.

Contains 2 letters of Isaac Russell [Jr.], undated.

Contains 13 letters from Forest G. Bailey to Isaac Russell [Jr.], dated July 26, 1901 to January 23, 1904 (2 letters undated).

Contains 11 letters from Henrietta Pratt Russell [signs her letters Ettie; she is the second wife of Samuel [Sr.]], mainly to Samuel. Items dated November 21, 1880 to March 23, 1887.

Contains 12 letters from Henrietta Pratt Russell, all to her son Jared. Materials dated August 13, 1908 to March 28, 1910.

Contains 12 letters from Henrietta Pratt Russell to her son Jared. Materials dated June 14, 1910 to September 29, 1911.

Contains 7 letters from Henrietta Pratt Russell to her son Jared and daughter "May" (Mary). Materials dated November 13, 1911 to October 17, 1916.

Contains 11 letters from Henrietta Pratt Russell to various members of the family. Materials undated or only partially dated.

Contains one letter to Henrietta Pratt Russell from Reed Smoot, and one concerning the Pratt Family Reunion. Dated May 21, 1917.