Official Records
The records of the U.S. District Court for the District of Nebraska 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 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
Wunder, John R. and Mark R. Scherer. Echo of Its Time: The History of the Federal District Court of Nebraska, 1867-1933. Lincoln: University of Nebraska Press, 2019.