Columbia subject headings:
Aerial photography in archaeology--Exhibitions.
Gerster, Georg, 1928-2019--Exhibitions.
Harvard subject headings:
Aerial photography in archaeology--Exhibitions.
Gerster, Georg, 1928-2019--Exhibitions.
Ruhrlandmuseum Essen--Exhibitions.
Princeton subject headings:
Aerial photography in archaeology--Exhibitions.
Gerster, Georg, 1928-2019--Exhibitions.
Ruhrlandmuseum Essen--Exhibitions.