Columbia subject headings:
Communism--Soviet Union.
Krupskaya, Nadezhda Konstantinovna, 1869-1939.
Lenin, Vladimir Ilʹich, 1870-1924.
Harvard subject headings:
Communism--Soviet Union
Krupskaya, Nadezhda Konstantinovna, 1869-1939
Lenin, Vladimir Ilʹich, 1870-1924
Princeton subject headings:
Communism--Soviet Union.
Krupskaya, Nadezhda Konstantinovna, 1869-1939.
Lenin, Vladimir Ilʹich, 1870-1924.