Columbia subject headings:
Catherine I, Empress of Russia, 1684-1727.
France--Foreign relations--Russia.
Private libraries--France--History--18th century.
Private libraries--Russia--History--18th century.
Russia--Foreign relations--France.
Russia--Kings and rulers--Correspondence.
Voltaire, 1694-1778--Library.
Harvard subject headings:
Catherine I, Empress of Russia, 1684-1727.
Catherine II, Empress of Russia, 1729-1796--Correspondence.
Catherine II, Empress of Russia, 1729-1796--Library.
France--Foreign relations--Russia.
Private libraries--France--History--18th century.
Private libraries--Russia--History--18th century.
Rieu, Henri, 1721---Library.
Russia--Foreign relations--France.
Russia--Kings and rulers--Correspondence.
Voltaire, 1694-1778--Library.
Princeton subject headings:
Catherine II, Empress of Russia, 1729-1796--Correspondence.
Catherine II, Empress of Russia, 1729-1796--Library.
France--Foreign relations--Russia.
Rieu, Henri, 1721---Library.
Russia--Foreign relations--France.
Russia--Kings and rulers--Correspondence.
Voltaire, 1694-1778--Library.