This collection consists of records of the Montana Department of the Grand Army of the Republic (GAR) and of the Woman's Relief Corps. Records include correspondence, financial records, organizational materials, rosters, minutes, and miscellany for locals in Anaconda, Butte, Boulder Valley, Columbia Falls, Deer Lodge, Fort Custer, Great Falls, Hamilton, Helena, and Missoula.

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.

These records (1956-1981) of the Montana Veterans of World War I and its women's auxiliary organization consist of minutes, correspondence, financial records, convention programs, subject files, membership lists, and general orders.