Columbia subject headings:
Art, European--20th century--Exhibitions.
Art--Private collections--Switzerland--Lausanne--Exhibitions.
Fondation Jean et Suzanne Planque (Lausanne, Switzerland)--Exhibitions.
Planque, Jean--Art collections--Exhibitions.
Harvard subject headings:
Art, European--20th century--Exhibitions
Art--Private collections--Switzerland--Lausanne--Exhibitions.
Fondation Jean et Suzanne Planque (Lausanne, Switzerland)--Exhibitions.
Planque, Jean--Art collections--Exhibitions.
Princeton subject headings: