Columbia subject headings:
Petrogradskiĭ Sovet rabochikh i krasnoarmeĭskikh deputatov.
Russia--History--February Revolution, 1917.
Soviet Union.
Harvard subject headings:
Petrogradskiĭ sovet rabochikh i krasnoarmeĭskikh deputatov.
Russia--History--February Revolution, 1917.
Soviet Union
Princeton subject headings:
Petrogradskiĭ Sovet rabochikh i krasnoarmeĭskikh deputatov.
Russia--History--February Revolution, 1917.