Columbia subject headings:
Representative government and representation--Russia--History--20th century--Congresses.
Russia. Gosudarstvennai︠a︡ Duma--History--Congresses.
Harvard subject headings:
Representative government and representation--Russia--History--Congresses.
Russia--Politics and government--1801-1917--Congresses.
Russia. Gosudarstvennai︠a︡ Duma--History--Congresses.
Princeton subject headings:
Representative government and representation--Russia--History--20th century--Congresses.