Columbia subject headings:
Harvard subject headings:
Automobile industry and trade--Germany--History--20th century.
Automobiles--Germany--History--20th century.
Ford, Henry, 1863-1947--Influence.
Princeton subject headings:
Automobile industry and trade--Germany--History--20th century.
Automobiles--Germany--History--20th century.
Ford, Henry, 1863-1947--Influence.