Columbia subject headings:
Saint Petersburg (Russia)--History--1917-
Harvard subject headings:
Municipal government--Russia (Federation)--Saint Petersburg--History.
Petrogradskiĭ sovet rabochikh i krasnoarmeĭskikh deputatov--History.
Saint Petersburg (Russia)--Politics and government.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Municipal government--Russia (Federation)--Saint Petersburg--History.
Petrogradskiĭ Sovet rabochikh i krasnoarmeĭskikh deputatov--History.
Saint Petersburg (Russia)--Politics and government.
Soviet Union--History--1917-1936.