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Author/Creator
- United States. Civil Aeronautics Board3
- United States2
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Aviation2
- United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Administrative Practice and Procedure2
- United States. Congress. House. Committee on Interstate and Foreign Commerce1
- United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics1
- United States. Congress. House. Committee on Military Affairs1
- United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Personnel and Modernization1
- United States. Congress. Senate. Committee on Commerce1
- United States. Congress. Senate. Committee on Commerce. Aviation Subcommittee1
- United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Parks, Historic Preservation, and Recreation1
- United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Public Lands, National Parks, and Forests1