Columbia subject headings:
Harvard subject headings:
Communists--Soviet Union--Biography
Ivanov, Arkadiĭ Fedorovich, 1881-1918.
Revolutionaries--Soviet Union--Biography
Princeton subject headings:
Communists--Russia--Biography.
Ivanov, Arkadiĭ Fedorovich, 1881-1918.
Revolutionaries--Russia--Biography.