This collection consists of biographical materials (1959-1970) including her resume; general correspondence (1932-1971) between Lochrie and her family, friends, fans, and people purchasing or commissioning her art work; diaries (1938, 1946-1967) these include traditional diaries and annotated calendars; financial records (1914-1968) includes scattered records of commissions, and daily household expenses; subject files (1914-1977) including newspaper clippings, correspondence, writings and research materials on various subjects relating primarily to art and Native Americans; speeches (1928-1953) primarily to service and women's groups regarding art and her study of Native Americans; writings (1940, 1947, undated) re Native American subjects primarily relating to people she painted; miscellany (1930-1979) including articles about Lochrie, art supply catalogs, guest books to her shows, and scrapbooks; clippings (1929-1970) from newspapers and magazines relating to art and artists, Native Americans, and Montana history.