Columbia subject headings:
Conceptual art--Exhibitions.
Politics in art--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--United States--Themes, motives--Exhibitions.
Conceptual art--Exhibitions.
Homeless persons--United States--Pictorial works--Exhibitions.
Indians of North America--Social conditions--Pictorial works--Exhibitions.
Mexican-American Border Region--Social conditions--Pictorial works--Exhibitions.
Politics in art--Exhibitions
Social problems in art--Exhibitions.
United States--Social conditions--Pictorial works--Exhibitions.
Princeton subject headings:
Art, American--20th century--Exhibitions.
Conceptual art--Exhibitions.
Politics in art--Exhibitions.