Columbia subject headings:
Painters--Russia (Federation)--Saint Petersburg--Biography.
Roerich, Nicholas, 1874-1947.
Saint Petersburg (Russia)--Biography.
Harvard subject headings:
Painters--Russia (Federation)--Saint Petersburg--Biography.
Roerich, Nicholas, 1874-1947
Saint Petersburg (Russia)--Biography.
Princeton subject headings:
Painters--Russia (Federation)--Saint Petersburg--Biography.
Roerich, Nicholas, 1874-1947.
Saint Petersburg (Russia)--Biography.