Columbia subject headings:
Art.
Painting, Italian--19th century.
Praga, Emilio, 1839-1875--Knowledge and learning.
Harvard subject headings:
Art
Painting, Italian--19th century
Praga, Emilio, 1839-1875--Knowledge and learning.
Princeton subject headings:
Art.
Painting, Italian--19th century.
Praga, Emilio, 1839-1875--Knowledge and learning.