Columbia subject headings:
Harvard subject headings:
Automobile engineers--France--Biography.
Citroën automobile--History.
Citroën, André, 1878-1935.
Industrialists--France--Biography
Princeton subject headings:
Automobile industry and trade--France--Biography.
Citroën automobile--History.
Citroën, André, 1878-1935.
Industrialists--France--Biography.