Columbia subject headings:
Harvard subject headings:
Constitutional history--Russia--Chronology.
Constitutional history--Soviet Union--Chronology.
Law--Russia--History--Chronology.
Law--Soviet Union--History--Chronology.
Russia--Politics and government--Chronology.
Soviet Union--Politics and government--Chronology.
Princeton subject headings:
Constitutional history--Russia--Chronology.
Constitutional history--Soviet Union--Chronology.
Law--Russia--History--Chronology.
Law--Soviet Union--History--Chronology.
Russia--Politics and government--Chronology.
Soviet Union--Politics and government--Chronology.