Columbia subject headings:
Russia--History--Anna, 1730-1740.
Saint Petersburg (Russia)--Description and travel.
Saint Petersburg (Russia)--History--To 1917.
Harvard subject headings:
Anna, Empress of Russia, 1693-1740.
Saint Petersburg (Russia)--Description and travel.
Travelers--Russia (Federation)--Saint Petersburg--History--18th century.
Princeton subject headings:
Saint Petersburg (Russia)--Description and travel.
Travelers--Russia (Federation)--Saint Petersburg--History--18th century.