This collection is arranged in four subgroups. The first subgroup contains Department of Montana records of the Grand Army of the Republic, the Woman's Relief Corps, and the Ladies of the G.A.R., including general correspondence (1893-1934, undated); outgoing correspondence (1885-1936), including general and special orders, and circulars; financial records (1887-1918); organizational materials (1903, 1933, undated); miscellany, including encampment programs and minutes, index to records of local posts, histories, membership information, and roster books, etc.; a scrapbook (1939-1965); and clippings (1920-1921, undated). A second subgroup contains the records of Local Posts, including John Buford Post #1, Fort Custer; Lincoln Post #2, Butte; Wadsworth Post #3, Helena; George H. Thomas Post #4, Deer Lodge; Custer Post #5, Soldiers' Home, Columbia Falls; William English Post #10, Bozeman; Frederick Winthrop Post #11, Missoula; James B. McPherson Post #13, Boulder Valley; George G. Meade Post #16, Anaconda; Sheridan Post #18, Great Falls; John C. Fremont Post #21, Hamilton; and George B. McClelland Post #24, Columbia Falls. Records included are correspondence, minutes, descriptive books of members, rosters, and ledgers. Not all posts include all these records. The third subgroup in the collection contains records of Woman's Relief Corps local posts including Wadsworth Post #1, Helena and Lincoln Post #6, Butte. Records include ledger books for Helena, and correspondence, minutes, and reports for Butte. The fourth subgroup consists of records of the Ladies of the G.A.R. local post at Butte, entitled the John F. Reynolds Circle #14. Records include correspondence, financial records, minutes, and reports.