Columbia subject headings:
Harvard subject headings:
Charles XII, King of Sweden, 1682-1718.
Northern War, 1700-1721--Campaigns--Russia.
Peter I, Emperor of Russia, 1672-1725
Russia--History--Peter I, 1689-1725.
Sweden--History--Charles XII, 1697-1718.
Princeton subject headings:
Northern War, 1700-1721.