Columbia subject headings:
Harvard subject headings:
Caponigro, Paul, 1932-
Great Britain--Antiquities--Pictorial works.
Ireland--Antiquities--Pictorial works.
Megalithic monuments--Great Britain--Pictorial works.
Megalithic monuments--Ireland--Pictorial works.
Megalithic monuments--Pictorial works.
Princeton subject headings:
Megalithic monuments--Pictorial works.