Columbia subject headings:
Avant-garde (Aesthetics)--Exhibitions.
Einstein, Carl, 1885-1940--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Avant-garde (Aesthetics)--Exhibitions.
Einstein, Carl, 1885-1940--Contributions in art criticism--Exhibitions.
Princeton subject headings:
Avant-garde (Aesthetics)--Exhibitions.
Einstein, Carl, 1885-1940--Exhibitions.