Columbia subject headings:
Monet, Claude, 1840-1926--Exhibitions.
Rothko, Mark, 1903-1970--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Monet, Claude, 1840-1926--Exhibitions.
Painting, American--20th century--Exhibitions.
Painting, French--19th century--20th century--Exhibitions.
Rothko, Mark, 1903-1970--Exhibitions.