Columbia subject headings:
Harvard subject headings:
Catherine II, Empress of Russia, 1729-1796--Books and reading.
Catherine II, Empress of Russia, 1729-1796--Library.
Imperatorskai︠a︡ biblioteka Ėrmitazha--Catalogs.
Imperatorskai︠a︡ biblioteka Ėrmitazha--History--18th century.
Private libraries--Russia--History--18th century.
Romanov, House of--Library--History--18th century.
Russia--Kings and rulers--Books and reading--Russia--History--18th century.
Princeton subject headings:
Catherine II, Empress of Russia, 1729-1796--Books and reading.
Catherine II, Empress of Russia, 1729-1796--Library.
Imperatorskai︠a︡ biblioteka Ėrmitazha--History--18th century.
Private libraries--Russia--History--17th century.
Romanov, House of--Library--History--18th century.
Russia--Kings and rulers--Books and reading--Russia--History--18th century.