Columbia subject headings:
Christianity and art--Orthodox Eastern Church--Congresses.
Icon painting--Congresses.
Icons, Russian--Congresses.
Icons--Congresses.
Harvard subject headings:
Icon painting--Congresses.
Icons, Russian--Congresses.
Icons--Congresses.
Princeton subject headings:
Icon painting--Congresses.
Icons, Russian--Congresses.
Icons--Congresses.