Columbia subject headings:
Harvard subject headings:
Artists, American.
Artists--United States.
Painting, American.
Princeton subject headings:
Art criticism.
Art, American--20th century--United States.
Gay, Walter, 1856-1937--Appreciation.
Glackens, William J., 1870-1938--Appreciation.
Lawson, Ernest, 1871-1939--Appreciation.
Robinson, Boardman, 1876-1952--Appreciation.
Sloan, John, 1871-1951--Appreciation.