Columbia subject headings:
Harvard subject headings:
Communists--Soviet Union--Biography
Historians--Soviet Union--Biography
Philosophers--Soviet Union--Biography
Revolutionaries--Soviet Union--Biography
Skvort︠s︡ov-Stepanov, Ivan Ivanovich, 1870-1928.
Princeton subject headings:
Communists--Soviet Union--Biography.
Historians--Soviet Union--Biography.
Philosophers--Soviet Union--Biography.
Revolutionaries--Soviet Union--Biography.
Skvort︠s︡ov-Stepanov, Ivan Ivanovich, 1870-1928.