Columbia subject headings:
Art, Modern--20th century--Exhibitions.
Art--Private collections--Switzerland--Basel--Exhibitions.
Beyeler, Ernst--Art collections--Exhibitions.
Beyeler, Hildy--Art collections--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Art--Private collections--Switzerland--Basel--Exhibitions.
Beyeler, Ernst--Art collections--Exhibitions.
Beyeler, Hildy--Art collections--Exhibitions.
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Beyeler, Ernst--Art collections--Exhibitions.
Beyeler, Hildy--Art collections--Exhibitions.