Columbia subject headings:
Art, Austrian--19th century.
Art, Austrian--Attribution.
Haas, Carl, 1835?-1880.
Haas, Karl, 1831-1895.
Harvard subject headings:
Art, Austrian--19th century.
Artists--Austria--Biography.
Haas, Carl, 1835?-1880.
Haas, Karl, 1831-1895.
Princeton subject headings:
Art, Austrian--19th century.
Artists--Austria--Biography.
Haas, Carl, 1835?-1880.
Haas, Karl, 1831-1895.