Columbia subject headings:
Art, American--20th century--Exhibitions.
Art, American--Exhibitions.
Art--Private collections--Illinois--Chicago--Exhibitions.
Oliver-Hoffmann, Camille--Art collections--Exhibitions.
Oliver-Hoffmann, Paul--Art collections--Exhibitions.
Harvard subject headings:
Art, American--20th century--Exhibitions
Art, American--Exhibitions
Art, Modern--20th century--United States--Exhibitions.
Art--Private collections--Illinois--Chicago--Exhibitions.
Oliver-Hoffmann, Camille--Art collections--Exhibitions.
Oliver-Hoffmann, Paul--Art collections--Exhibitions.
Princeton subject headings:
Art, American--20th century--Exhibitions.
Art--Private collections--Illinois--Chicago--Exhibitions.
Oliver-Hoffmann, Camille--Art collections--Exhibitions.
Oliver-Hoffmann, Paul--Art collections--Exhibitions.