Columbia subject headings:
Excavations (Archaeology)--England--London.
Harbors--England--London--History.
London (England)--Antiquities.
London (England)--History--To 1500.
Harvard subject headings:
Excavations (Archaeology)--England--London
Harbors--England--London--History.
London (England)--Antiquities.
London (England)--History--To 1500.
Princeton subject headings:
Excavations (Archaeology)--England--London.
Harbors--England--London--History.
London (England)--Antiquities.
London (England)--History--To 1500.