Columbia subject headings:
Harvard subject headings:
Automobiles--History--19th century.
Automobiles--Technological innovations--History--19th century.
Benz, Karl, 1844-1929.
Daimler, Gottlieb, 1834-1900.
Princeton subject headings:
Automobiles--History--19th century.
Automobiles--Technological innovations--History--19th century.
Benz, Karl, 1844-1929.
Daimler, Gottlieb, 1834-1900.