Columbia subject headings:
Animals in art--History.
Art, Modern--19th century.
Art, Modern--20th century.
Zoos in art--History.
Harvard subject headings:
Animals in art.
Exotic animals in art.
Painting, Modern--19th century--Themes, motives.
Painting, Modern--20th century--Themes, motives.
Zoo exhibits in art.
Princeton subject headings:
Animals in art.
Painting, Modern--19th century--History and criticism.
Painting, Modern--20th century--History and criticism.
Zoo exhibits.