The Cassandra O. Phelps Papers consist of personal papers and newspaper clipping scrapbooks created or collected by Cassandra O. Phelps. Topics include: the inaugural meeting minutes of the Judith Basin County Chapter of the American Pioneer Trails Association, May 29, 1945, the Montana Council organizational activities, research inquiries regarding the National Industrial Conference Board, farm foreclosures in the mid 1920s, illustrations and pricing of horse harness equipment circa 1915, and National Cash Register company recording transactions of an unidentified business in 1914. Other topics include general Montana history, the vigilantes of 1863-64, Charles M. Russell, and the battle of the Little Bighorn. However, as well as financial information.
The John B. Wisenall Papers consist of correspondence and a diary. Topics discussed include Wisenall's time spent prospecting gold, gold claims, business conditions, assorted activities of former companions, the hardships of making a living, debt, town conditions, living arrangements, and outlaw lynching's.