Columbia subject headings:
Catherine II, Empress of Russia, 1729-1796.
Novgorod Region (Russia)--Economic conditions.
Novgorod Region (Russia)--Politics and government.
Russia--Politics and government--1689-1801.
Sivers, I︠A︡kov Efimovich, graf, 1731-1808.
Harvard subject headings:
Catherine II, Empress of Russia, 1729-1796
Novgorod Region (R.S.F.S.R.)--Economic conditions.
Novgorod Region (R.S.F.S.R.)--Politics and government.
Novgorod Region (Russia)--Economic conditions.
Novgorod Region (Russia)--Politics and government.
Russia--Politics and government--1689-1801
Sivers, I︠A︡kov Efimovich, graf, 1731-1808
Princeton subject headings:
Catherine II, Empress of Russia, 1729-1796.
Novgorod Region (Russia)--Economic conditions.
Novgorod Region (Russia)--Politics and government.
Russia--Politics and government--1689-1801.
Sivers, I︠A︡kov Efimovich, graf, 1731-1808.