Columbia subject headings:
Art, Modern--20th century.
Art, Modern--21st century.
Space (Art)
Space and time in art.
Harvard subject headings:
Art, Modern--20th century
Art, Modern--21st century
Space (Art)
Space and time in art.
Princeton subject headings:
Art, Modern--20th century.
Art, Modern--21st century.
Space (Art)
Space and time in art.