Columbia subject headings:
Peter I, Emperor of Russia, 1672-1725.
Russia--History--Peter I, 1689-1725.
Harvard subject headings:
Peter I, Emperor of Russia, 1672-1725
Russia--History--Peter I, 1689-1725.
Princeton subject headings:
Peter I, Emperor of Russia, 1672-1725.
Russia--History--Peter I, 1689-1725.