Columbia subject headings:
Art, Modern--20th century--Themes, motives.
Multiculturalism.
Harvard subject headings:
Art museums--Social aspects--Congresses.
Arts, Modern--20th century--Congresses
Internationalism in art--Congresses.
Princeton subject headings:
Art, Modern--20th century--Themes, motives--Congresses.
Internationalism--Congresses.
Multiculturalism--Congresses.