Columbia subject headings:
Harvard subject headings:
Aeronautics--Law and legislation--Bibliography.
Aeronautics--Law and legislation--United States--Bibliography.
Annotations and citations (Law)
Radio--Law and legislation--Bibliography.
Radio--Law and legislation--United States--Bibliography.
Princeton subject headings:
Aeronautics--Law and legislation--Bibliography.
Annotations and citations (Law)
Radio--Law and legislation--Bibliography.