Columbia subject headings:
Business libraries--Germany--Hamburg--History.
Economics libraries--Germany--Hamburg--History.
Handelskammer Hamburg. Commerzbibliothek--History.
Naval libraries--Germany--Hamburg--History.
Harvard subject headings:
Boards of trade--Germany--Hamburg.
Business libraries--Germany--Hamburg--History.
Economics libraries--Germany--Hamburg--History.
Handelskammer Hamburg. Commerzbibliothek--History.
Naval libraries--Germany--Hamburg--History.
Princeton subject headings:
Business libraries--Germany (West)--Hamburg--History.
Economics libraries--Germany (West)--Hamburg--History.
Handelskammer Hamburg. Commerzbibliothek--History.
Naval libraries--Germany (West)--Hamburg--History.