Columbia subject headings:
Impressionism (Art)--United States--Exhibitions.
Painting, American--19th century--Exhibitions.
Harvard subject headings:
Cassatt, Mary, 1844-1926--Exhibitions.
Impressionism (Art)--Exhibitions
Impressionism (Art)--United States--Exhibitions
Painting, American--19th century--Exhibitions
Sargent, John Singer, 1856-1925--Exhibitions.
Whistler, James McNeill, 1834-1903--Exhibitions.
Princeton subject headings:
Impressionism (Art)--Exhibitions.
Impressionism (Art)--United States--Exhibitions.
Painting, American--19th century--Exhibitions.