Columbia subject headings:
Automobile industry and trade--United States.
Automobiles--Patents.
Ford, Henry, 1863-1947.
Selden, George Baldwin, 1846-1922.
Harvard subject headings:
Automobile industry and trade--United States
Automobiles--Patents
Ford, Henry, 1863-1947.
Selden, George Baldwin, 1846-1922.
Princeton subject headings:
Automobile industry and trade--United States.
Automobiles--Patents.
Ford, Henry, 1863-1947.
Patents.
Selden, George Baldwin, 1846-1922.