Columbia subject headings:
Art, French--20th century--Exhibitions.
Art, French--Exhibitions.
Art--Private collections--Switzerland--Bern--Exhibitions.
Keller, Georges F. (Georges Frédéric), 1899-1981--Art collections--Exhibitions.
Kunstmuseum Bern--Exhibitions.
Harvard subject headings:
Art, French--20th century--Exhibitions
Art, French--Exhibitions
Art--Collectors and collecting--Switzerland--Exhibitions.
Art--Private collections--Switzerland--Bern--Exhibitions.
Keller, Georges F. (Georges Frédéric), 1899-1981--Art collections--Exhibitions.
Kunstmuseum Bern--Exhibitions.
Painting, European--Exhibitions.
Painting, Modern--19th century--Europe--Exhibitions.
Painting, Modern--20th century--Europe--Exhibitions.
Princeton subject headings:
Art, French--20th century--Exhibitions.
Art--Private collections--Switzerland--Bern--Exhibitions.
Keller, Georges F. (Georges Frédéric), 1899-1981--Art collections--Exhibitions.
Kunstmuseum Bern--Exhibitions.