Columbia subject headings:
Aeronautics--Law and legislation.
International Conferences on Air Law, (1933 : Rome)
Harvard subject headings:
Aeronautics--Law and legislation
International Conference on Private Law Affecting Air Questions (3rd, : Rome, Italy) 1933.
International Conference on Private Law Affecting Air Questions (3rd, : Rome,) 1933.
International Conference on Private Law Affecting Air Questions 3d, Rome, 1933.
Princeton subject headings: