Columbia subject headings:
Authors, Russian--20th century--Biography.
Painters--Russia (Federation)--Biography.
Roerich, Nicholas, 1874-1947.
Harvard subject headings:
Authors, Russian--20th century--Biography
Painters--Russia (Federation)--Biography
Roerich, Nicholas, 1874-1947
Princeton subject headings:
Roerich, Nicholas, 1874-1947.