Official Records
The records of the U.S. Court of Appeals for the Third Circuit are included among Record Group 276 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
Presser, Stephen B. Studies in the History of the United States Courts of the Third Circuit, 1790-1980: A Bicentennial Project. Washington D.C.: Government Printing Office, 1982.