Family and business correspondence; family photographs; photographs of mining properties and sites in the vicinity of Bonanza and Custer, Idaho; business records; diaries; autograph books; scrapbooks; artwork; greeting cards; invitations; business and calling cards; annotated books; and memorabilia. Most of the correspondence is to Czarina Clawson from family and friends, or family correspondence saved by her. Six pocket diaries record a journey through Yellowstone (1863).