Columbia subject headings:
Aesthetics--Congresses.
Art--Philosophy--Congresses.
Image (Philosophy)--Congresses.
Mysticism and art--Congresses.
Pictures--Philosophy--Congresses.
Secrecy in art--Congresses.
Harvard subject headings:
Aesthetics--Congresses
Art--Philosophy--Congresses
Image (Philosophy)--Congresses.
Mysticism and art--Congresses.
Pictures--Philosophy--Congresses.
Secrecy in art--Congresses.
Princeton subject headings:
Aesthetics--Congresses.
Art--Philosophy--Congresses.
Image (Philosophy)--Congresses.
Mysticism and art--Congresses.
Pictures--Philosophy--Congresses.
Secrecy in art--Congresses.