Columbia subject headings:
Flags in art--Exhibitions.
Hassam, Childe, 1859-1935--Exhibitions.
Painting, American--20th century--Exhibitions.
Painting, American--Exhibitions.
World War, 1914-1918--Art and the war--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Hassam, Childe, 1859-1935--Exhibitions.