Columbia subject headings:
Harvard subject headings:
Archaeology, Medieval--Germany--Bremen.
Boats, Ancient--Germany--Bremen--Design and construction.
Bremen (Germany)--Antiquities.
Excavations (Archaeology)--Germany--Bremen.
Naval architecture--Germany--Bremen--History--To 1500.
Salvage--Germany--Bremen--History--20th century.
Shipbuilding--Germany--Bremen--History--To 1500.
Ships, Wooden--Germany--Bremen--History--To 1500.
Ships--Germany--Bremen--History--To 1500.
Ships--Reconstruction--Germany--Bremen--History--20th century.
Princeton subject headings:
Archaeology, Medieval--Germany--Bremen.
Boats, Ancient--Germany--Bremen--Design and construction.
Bremen (Germany)--Antiquities.
Excavations (Archaeology)--Germany--Bremen.
Naval architecture--Germany--Bremen--History--To 1500.
Salvage--Germany--Bremen--History--20th century.
Shipbuilding--Germany--Bremen--History--To 1500.
Ships, Wooden--Germany--Bremen--History--To 1500.
Ships--Germany--Bremen--History--To 1500.
Ships--Reconstruction--Germany--Bremen--History--20th century.