Columbia subject headings:
Art, Byzantine--Historiography.
Art, Russian--Historiography.
Kondakov, N. P. (Nikodim Pavlovich), 1844-1925.
Harvard subject headings:
Art, Byzantine--Historiography.
Art, Russian--Historiography.
Icons, Russian--Historiography.
Kondakov, N. P. (Nikodim Pavlovich), 1844-1925
Princeton subject headings: