Columbia subject headings:
Roerich, Nicholas, 1874-1947.
Russia, Northern--In art.
Harvard subject headings:
Roerich, Nicholas, 1874-1947
Russia, Northern--In art.
Princeton subject headings:
Art and mythology.
Finland--In art.
Karelia (Russia)--In art.
Roerich, Nicholas, 1874-1947--Criticism and interpretation.