Columbia subject headings:
Harvard subject headings:
Art--Exhibitions
Art--Private collections--Massachusetts--Exhibitions.
Koch, Bill, 1940---Art collections--Exhibitions.
Princeton subject headings:
Koch, Bill, 1940---Art collections--Exhibitions.
Painting, Modern--Exhibitions.
Painting--Private collections--Massachusetts--Cape Cod--Exhibitions.
Sculpture, Modern--Exhibitions.
Sculpture--Private collections--Massachusetts--Cape Cod--Exhibitions.