Columbia subject headings:
Animal painters--Germany--Biography.
Animals in art.
Birds in art.
Wolf, Joseph, 1820-1899.
Zoological illustration.
Harvard subject headings:
Animal painters--Germany--Biography.
Animals in art--Exhibitions
Birds in art--Exhibitions
Wolf, Joseph, 1820-1899--Exhibitions.
Zoological illustration--Germany--History--19th century--Exhibitions.
Princeton subject headings:
Animals in art--Exhibitions.
Wolf, Joseph, 1820-1899--Exhibitions.
Zoological illustration--Exhibitions.