Columbia subject headings:
Harvard subject headings:
England--Antiquities.
England--Civilization--1066-1485
Fish ponds--England--History.
Fish remains (Archaeology)--England.
Fish trade--England--History.
Fisheries--England--History.
Princeton subject headings:
Archaeology, Medieval.
England--Antiquities.
Fish ponds--England.
Fisheries--England.
Fishes--England.