Official Records
The records of the U.S. Circuit Courts for the Districts of Missouri are included among Record Group 21 at the:
National Archives at Kansas City
400 West Pershing Road
Kansas City, Missouri 64108
Email: kansascity.archives@nara.gov
A guide to the holdings of the regional archives is available at: https://www.archives.gov/kansas-city/holdings
A finding aid for the records is available at: https://www.archives.gov/kansas-city/finding-aids/html/rg21-series-title-list-missouri.html
A published description of the records is also available in the Guide to Federal Records in the National Archives of the United States, 1995 (http://www.archives.gov/research/guide-fed-records/index.html ).
Bibliography
Larsen, Lawrence H. Federal Justice in Western Missouri: The Judges, The Cases, and The Times. Columbia: University of Missouri Press, 1994.