%0 Generic %T Naval Appropriation Bill, 1922 Aviation: hearings before the United States House Committee on Appropriations, Subcommittee on Navy Department Appropriations, Sixty-Sixth Congress, third session, on Feb. 1, 1921. %U https://ezaccess.libraries.psu.edu/login?url=http://congressional.proquest.com/congcomp/getdoc?HEARING-ID=HRG-1921-HAP-0002