Columbia subject headings:
East Cambridgeshire (England)--Antiquities.
Excavations (Archaeology)--England--East Cambridgeshire.
Underground pipelines--England--East Cambridgeshire.
Harvard subject headings:
Antiquities, Prehistoric--England--Isle of Ely.
Excavations (Archaeology)--England--Isle of Ely.
Isle of Ely (England)--Antiquities.
Underground pipelines--England--Isle of Ely.
Princeton subject headings:
East Cambridgeshire (England)--Antiquities.
Excavations (Archaeology)--England--East Cambridgeshire.
Underground pipelines--England--East Cambridgeshire.