Columbia subject headings:
Revolutions--Soviet Union.
Russia--History--1613-1689.
Russia--History--1689-1801.
Harvard subject headings:
Revolutions--Soviet Union.
Russia--History--1613-1689.
Russia--History--1689-1801.
Princeton subject headings:
Revolutions--Russia.
Russia--History--1613-1689.
Russia--History--1689-1801.