Columbia subject headings:
Aesthetics, Modern--19th century.
Aesthetics, Modern--20th century.
Art--Philosophy.
Wölfflin, Heinrich, 1864-1945.
Harvard subject headings:
Princeton subject headings:
Aesthetics, Modern--19th century.
Aesthetics, Modern--20th century.
Art--Philosophy.
Wölfflin, Heinrich, 1864-1945.