Abstract Evelyn J. Cameron was a pioneer photographer and rancher in eastern Montana. Her husband, Ewen S. Cameron, raised polo ponies and studied and wrote about wildlife, particularly birds, of eastern Montana. Collection consists of letters, postcards, and greeting cards (1903-1929); 35 diaries (1893-1928) kept by Evelyn; a journal (undated) kept by Evelyn containing notes, copied poems and sayings, and clippings; clippings removed from Evelyn's diaries and journal; a scrapbook (1900-1915)...