The People's Voice was a weekly newspaper published in Helena, Montana, by H.S. "Cap" Bruce, and later by Harry L. Billings. Records consist primarily of general correspondence (1937-1966); and subject files (1930s-1960s) on a wide variety of topics, including Montana politics, farmers unions, labor, state government, and public utilities.

Joseph Kinsey Howard (1906-1951) was a Great Falls, Montana, author, newspaperman, and historian. The collection (1927-1954) consists of correspondence about the publication of his books, various subject files on professional activities such as the Montana Study, and research files for his articles and books, especially for Strange Empire about the Metis.

Daniel McCorkle (1880-1956) was a Presbyterian minister in Sunrise, WY, and Conrad, Montana. The collection contains general correspondence (1911-1956), subject files (1910-1956), writings (1912-1953); and other materials documenting his works as a minister, social worker, educator, and socialist. There is a small subgroup about Dorothy Floerchinger's biography of McCorkle, To Speak of Love Was Not Enough.

Records of the Governors of Montana consist of legislative files (1893-1935), including correspondence, bills, vetos, governors messages, petitions, etc.; general correspondence (1902-1962) for individual administrations; and subject files (1889-1962) arranged by state agency and topic.