Columbia subject headings:
Cartography--Russia (Federation)--Saint Petersburg--History.
Maps.
Saint Petersburg (Russia)--History--Sources.
Saint Petersburg (Russia)--Maps.
Harvard subject headings:
City planning--Russia (Federation)--Saint Petersburg--History--18th century.
Saint Petersburg (Russia)--History--18th century--Sources.
Princeton subject headings:
Architectural drawing--Russia (Federation)--Saint Petersburg--18th century.
City planning--Russia (Federation)--Saint Petersburg--History--18th century.
Maps.
Saint Petersburg (Russia)--History--18th century--Sources.
Saint Petersburg (Russia)--Maps.