Contains family histories, scrapbooks, which include original ephemera and correspondence, and the autobiographies of Mildred Bennion Eyring and Helen Bennion Barker. Also contains transcriptions of the Bennion family journals and correspondence, a photocopy of a handwritten list of the Bennion family members written in 1900, and photocopies of a journal ledger and other correspondence. Materials dated approximately 1842-1981.

Contains bound volumes of correspondence regarding, or addressed to, Holmes. All correspondence is bound, transcribed, photocopied or otherwise prepared by Holmes. Dated 1957-2022.

Contains bound journals and missionary journals of Blair Holmes that document his life experiences, which include his mission and family life. Some journals are transcribed and bound. Dated 1960-2023.

Contains Holmes' dissertation, a collection of twenty-eight oral histories performed by History 200 students, and news and histories pertaining to Idaho. Dated 1972-1987.

Photocopy and transcription of marriage certificate between Caroline and Marx Stiefel. Dated June 12, 1862.