Columbia subject headings:
Aerial photography in archaeology--Great Britain.
Aerial photography.
Excavations (Archaeology)--Great Britain.
Great Britain--Antiquities.
St. Joseph, J. K. S. (John Kenneth Sinclair)
Harvard subject headings:
Aerial photography
Aerial photography in archaeology--Great Britain.
Excavations (Archaeology)--Great Britain
Great Britain--Antiquities.
St. Joseph, J. K. S. (John Kenneth Sinclair)
Princeton subject headings:
Aerial photography in archaeology--Great Britain.
Aerial photography.
Excavations (Archaeology)--Great Britain.
Great Britain--Antiquities.
St. Joseph, J. K. S. (John Kenneth Sinclair)