Columbia subject headings:
Art, European--20th century--Catalogs.
Art--Private collections--Switzerland--Basel--Catalogs.
Im Obersteg, Jürg--Art collections--Exhibitions.
Im Obersteg, Karl, 1883-1969--Art collections--Exhibitions.
Harvard subject headings:
Art, European--20th century--Private collections--Switzerland--Basel--Exhibitions.
Im Obersteg, Jürg--Art collections--Exhibitions.
Im Obersteg, Karl, 1883-1969--Art collections--Exhibitions.
Öffentliche Kunstsammlung Basel--Exhibitions.
Princeton subject headings:
Art, European--20th century--Exhibitions.
Art--Switzerland--Basel--Exhibitions.
Im Obersteg, Jürg--Art collections--Exhibitions.
Im Obersteg, Karl, 1883-1969--Art collections--Exhibitions.
Öffentliche Kunstsammlung Basel--Exhibitions.