The bulk of the records consist of general correspondence and subject files. The correspondence (1917-1920) of the statewide office of the Montana Council of Defense is primarily with the National Council of Defense and with county councils, concerning their day-to-day work. There is also some correspondence with a variety of individuals, county agricultural extension agents, and state agencies. the subject files cover the broad range of the Council's activities, including agricultural programs, patriotism, war relief, conscientious objectors, the German language, loyalty and sedition, and demobilization. In addition there are financial records, minutes (April 1917-August 1921), proceedings, testimony in the Von Waldru case, and miscellany.