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