Columbia subject headings:
Harvard subject headings:
Bremerhaven (Germany)--Economic conditions.
Bremerhaven (Germany)--History.
Bremerhaven (Germany)--Politics and government.
Bremerhaven (Germany)--Social conditions.
Princeton subject headings:
Bremerhaven (Germany)--Economic conditions.
Bremerhaven (Germany)--History.
Bremerhaven (Germany)--Social conditions.