Columbia subject headings:
Harvard subject headings:
Russia (Federation)--History--Revolution, 1917-1921--Sources.
Russia (Federation)--Politics and government.
Vserossiĭskoe uchreditelʹnoe sobranie (1918 : Petrograd, R.S.F.S.R.)
Princeton subject headings:
Soviet Union--History--Revolution, 1917-1921--Sources.
Soviet Union--Politics and government--1917-1936--Sources.