Postmaster. Records (circa 1940–1959) of the U.S. post office in Bartlesville, Oklahoma, of which Christopher was postmaster, including employee records and correspondence with the U.S. Post Office Department in Washington, D.C., regarding service in Bartlesville, Oklahoma. Also publications and correspondence (circa 1950–1959) of the American Legion organization and its posts in Oklahoma, including information regarding its National American Commission, of which Christopher was a member, and “Man of the Year” awards, which he received.