Professor. Personal correspondence (1897-1957); correspondence with Campbell's relatives (1822-1896); correspondence with publishers and literary agents (1920-1958); literary manuscripts (ca. 1914-1957); diaries, notebooks, and journals...
Social organization. Scrapbooks (1925-1959) containing photographs, news clippings, programs, and mementos of the Ohoyohoma Club, a McAlester, Oklahoma, women's club that limited it membership to women of Indian descent.