Columbia subject headings:
Excavations (Archaeology)--Netherlands--Utrecht.
Ships, Medieval.
Utrecht (Netherlands)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Netherlands--Utrecht.
Netherlands--Antiquities.
Ships, Medieval
Utrecht (Netherlands)--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Netherlands--Utrecht.
Ships, Medieval--Netherlands--Utrecht.
Utrecht (Netherlands)--Antiquities.