Columbia subject headings:
Harvard subject headings:
Art and society--Latin America--History--20th century.
Graphic arts--Latin America--History--20th century.
Latin America--Social aspects--20th century--Posters.
Princeton subject headings:
Art and society--History--20th century.
Graphic arts--History--20th century.
Latin America--Social aspects--20th century--Posters.
Posters.