Official Records
The records of the U.S. Court of Appeals for the Ninth Circuit are included among Record Group 276 and are split between the:
National Archives at San Francisco
1000 Commodore Drive
San Bruno, California 94066-2350
Email: sanbruno.archives@nara.gov
and the:
National Archives at Kansas City
400 West Pershing Road
Kansas City, Missouri 64108
Email: kansascity.archives@nara.gov
Guides to the holdings of the regional archives are available at: https://www.archives.gov/san-francisco/holdings
and 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
Frederick, David C. Rugged Justice: The Ninth Circuit Court of Appeals and the American West, 1891-1941. Berkeley: University of California Press, 1994.