This collection contains four subgroups. The bulk of the collection consists of the records of the Brady Mercantile Company. Records consist of incoming correspondence (1915-1917, 1921-1930, 1947-1948), primarily from merchandise suppliers; financial records, including cash balance books (1911-1936), inventories (1915, 1919-1936), general and petty ledgers (1910-1914), sales journals (1912-1925, 1929-1934), and trial balance sheets (1922-1925, 1933, 1936-1943); and miscellany, including circulated lists of (1920-1922) of legal documents filed in Pondera County.

The Gilmore Quamme subgroup consists of hail insurance applications (1945-1947) from his insurance business. The Torris N. Quamme subgroup consists of legislative files from his service in the 1931 and 1933 legislatures. The Pondera County Emergency Relief Committee subgroup consists of correspondence (1933-1934), relief applications, labor records, lists of orders for commodities, and government circulars. Interfiled are materials generated by T.N. Quamme as a member of the Committee, and materials of the Brady Mercantile Company doing business with the Committee.