Columbia subject headings:
Art, Modern--20th century--Exhibitions.
Art--Private collections--Exhibitions.
Janis, Harriet Grossman--Art collections--Exhibitions.
Janis, Sidney, 1896-1989--Art collections--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Art--Private collections--Exhibitions
Janis, Harriet, 1898-1963--Art collections--Exhibitions.
Janis, Sidney, 1896---Art collections--Exhibitions.
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Art--Private collections--Exhibitions.
Janis, Harriet, 1898-1963--Art collections--Exhibitions.
Janis, Sidney, 1897---Art collections--Exhibitions.