Official Records
The records of the U.S. District Courts for the Districts of Mississippi are included among Record Group 21 at the:
National Archives at Atlanta
5780 Jonesboro Road
Morrow, Georgia 30260
Email: atlanta.archives@nara.gov
A guide to the holdings of the regional archives is available at: https://www.archives.gov/atlanta/holdings
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
Hargrove, David M. Mississippi's Federal Courts: A History. Jackson: University Press of Mississippi, 2019.