Columbia subject headings:
Alexis, Czarevitch, son of Peter I, Emperor of Russia, 1690-1718.
China--Description and travel--Early works to 1800.
Khanty.
Peter I, Emperor of Russia, 1672-1725.
Russia--Politics and government--1689-1801.
Soviet Union--Description and travel--Early works to 1800.
Harvard subject headings:
Princeton subject headings:
Alexis, Czarevitch, son of Peter I, Emperor of Russia, 1690-1718.
China--Description and travel--Early works to 1800.
Khanty.
Peter I, Emperor of Russia, 1672-1725.
Russia--Politics and government--1689-1801.
Soviet Union--Description and travel--Early works to 1800.