Columbia subject headings:
Harvard subject headings:
Communists--Soviet Union--Biography
Heads of state--Soviet Union--Biography.
Lenin, Vladimir Ilʹich, 1870-1924
Revolutionaries--Soviet Union--Biography
Princeton subject headings:
Krupskaya, Nadezhda Konstantinovna, 1869-1939.
Lenin, Vladimir Ilʹich, 1870-1924--Homes and haunts--Russia (Federation)--Saint Petersburg.
Revolutionaries--Russia (Federation)--Saint Petersburg--Biography.
Ulʹi︠a︡nov family.