Columbia subject headings:
Catherine II, Empress of Russia, 1729-1796--Bibliography.
Catherine II, Empress of Russia, 1729-1796.
Harvard subject headings:
Catherine II, Empress of Russia, 1729-1796
Catherine II, Empress of Russia, 1729-1796--Bibliography.
Princeton subject headings:
Catherine II, Empress of Russia, 1729-1796--Bibliography.
Catherine II, Empress of Russia, 1729-1796.