Columbia subject headings:
Friedrich, Caspar David, 1774-1840--Exhibitions.
Winter in art--Exhibitions.
Harvard subject headings:
Friedrich, Caspar David, 1774-1840--Exhibitions.
Winter in art--Exhibitions.
Princeton subject headings:
Friedrich, Caspar David, 1774-1840--Exhibitions.
Landscape painting, German--Exhibitions.
Landscape painting--19th century--Exhibitions.
Winter in art--Exhibitions.