Columbia subject headings:
Harvard subject headings:
Automobile engineers--Germany--Biography.
Nordhoff, Heinrich, 1899-
Volkswagen Beetle automobile--History--20th century.
Volkswagen Beetle automobile--History--21st century.
Volkswagen Beetle automobile--History--Chronology.
Princeton subject headings:
Automobile engineers--Germany--Biography.
Nordhoff, Heinrich, 1899-
Volkswagen Beetle automobile--History--20th century.
Volkswagen Beetle automobile--History--21st century.
Volkswagen Beetle automobile--History--Chronology.