Columbia subject headings:
Bruggen, Coosje van--Exhibitions.
Oldenburg, Claes, 1929-2022--Exhibitions.
Outdoor sculpture--Exhibitions.
Harvard subject headings:
Bruggen, Coosje van--Exhibitions.
Oldenburg, Claes, 1929---Exhibitions.
Princeton subject headings:
Bruggen, Coosje van--Exhibitions.
Oldenburg, Claes, 1929-2022--Exhibitions.