Columbia subject headings:
Aesthetics--Congresses.
Art--Historiography--Congresses.
Focillon, Henri, 1881-1943--Congresses.
Harvard subject headings:
Aesthetics--Congresses
Art--Historiography--Congresses
Focillon, Henri, 1881-1943--Congresses.
Princeton subject headings:
Aesthetics--Congresses.
Art--Historiography--Congresses.
Focillon, Henri, 1881-1943--Congresses.