The Jake More collection focuses on More's political career. It includes one small folder for the Victory Campaign, consisting mainly of lists of contributors. The Iowa Young Democratic Club is documented over a four year period, 1934-1938. Papers on More's Shelby County Chairmanship cover 1936-1940 and are related mainly to organizational affairs and the securing of patronage positions. The collection also includes two folders of materials from Herschel Loveless' 1952 and 1956 campaigns for Governor.

Among the most interesting items in the collection are the files of correspondence between More and Truman, who became close friends. The general correspondence files also include letters from a great many prominent Iowans and well known national Democratic figures. Also of interest is the file of State Party Platforms, both Democratic and Republican, and the file on the Democratic Midwest Conference, a group of Democratic State officials from thirteen Midwestern states.