Columbia subject headings:
Aeronautics--Periodicals.
Automobiles--Periodicals.
Mechanical engineering--Periodicals.
Mechanical engineering--Societies, etc.
Harvard subject headings:
Aeronautics--Periodicals
Automobiles--Periodicals
Mechanical engineering--Periodicals
Mechanical engineering--Societies, etc.
Princeton subject headings:
Aeronautics--Periodicals.
Automobiles--Periodicals.
Mechanical engineering--Periodicals.
Mechanical engineering--Societies.
Periodicals.