Columbia subject headings:
Harvard subject headings:
Drawing, American--Exhibitions.
Drawing--18th century--United States--Exhibitions.
Drawing--19th century--United States--Exhibitions.
Drawing--20th century--United States--Exhibitions.
Wadsworth Atheneum--Exhibitions.
Watercolor painting, American--Exhibitions
Watercolor painting--19th century--United States--Exhibitions.
Watercolor painting--20th century--United States--Exhibitions.
Princeton subject headings:
Drawing, American--Exhibitions.
Drawing--18th century--Exhibitions.
Drawing--19th century--Exhibitions.
Drawing--20th century--Exhibitions.
Wadsworth Atheneum--Exhibitions.
Watercolor painting, American--Exhibitions.
Watercolor painting--19th century--Exhibitions.
Watercolor painting--20th century--Exhibitions.