Columbia subject headings:
Harvard subject headings:
Archaeology, (Medieval)
Charente-Maritime (France)--Antiquities.
France--Antiquities.
Navigation--France--Charente River--History.
Ships, Medieval--France--Charente-Maritime.
Underwater archaeology--France--Charente-Maritime.
Princeton subject headings:
Charente River (France)--Navigation.
Charente-Maritime (France)--Antiquities.
Shipwrecks--France--Charente River.
Underwater archaeology--France--Charente River--History.