Columbia subject headings:
Cassirer, Ernst, 1874-1945.
History--Philosophy.
Panofsky, Erwin, 1892-1968.
Warburg, Aby, 1866-1929.
Harvard subject headings:
Aesthetics, German.
Aesthetics, Modern--19th century.
Aesthetics, Modern--20th century.
Cassirer, Ernst, 1874-1945
Panofsky, Erwin, 1892-1968
Warburg, Aby, 1866-1929.
Princeton subject headings: