Columbia subject headings:
Christianity and art--Orthodox Eastern Church.
Grigoriĭ, inok, 1909-1969.
Icon painting--Technique.
Harvard subject headings:
Christianity and art--Orthodox Eastern Church.
Grigoriĭ, inok, 1909-1969
Icon painting--Technique
Princeton subject headings:
Christianity and art--Orthodox Eastern Church.
Grigoriĭ, inok, 1909-1969.
Icon painting--Technique.