Columbia subject headings:
Harvard subject headings:
Blohm + Voss.
Defense industries--Germany--History--20th century.
Entrepreneurship--Germany--History--20th century.
Germany--Economic conditions--1918-1945.
National socialism--Economic aspects.
Shipbuilding industry--Germany--History--20th century.
Princeton subject headings:
Blohm + Voss--History.
Shipbuilding industry--Germany.