Columbia subject headings:
Art--Historiography--Congresses.
Panofsky, Erwin, 1892-1968--Aesthetics--Congresses.
Harvard subject headings:
Aesthetics, German--20th century--Congresses.
Art--Historiography--Congresses
Panofsky, Erwin, 1892-1968--Criticism and interpretation--Congresses.
Princeton subject headings:
Art--Historiography--Congresses.
Panofsky, Erwin, 1892-1968--Aesthetics--Congresses.