This collection consists of the administrative correspondence of department commissioners A.H. Kruse, E.C. Wren, and C.L. Purdy. It includes the commissioners' correspondence with the various division heads, as well as with agricultural organizations and associations, the Governor's office, and the public. The correspondence is arranged alphabetically by correspondent and topic, within biannual or annual periods; and includes reports, financial records, agenda and minutes, and miscellaneous other materials reflecting the day-to-day operation of the department. (Photos, printed material, maps, and artifacts had been transferred to the Photo Archives, Library, Library Map Collection, and Museum respectively.)