Columbia subject headings:
Maps.
Saint Petersburg (Russia)--Description and travel.
Saint Petersburg (Russia)--Historical geography.
Saint Petersburg (Russia)--Maps.
Harvard subject headings:
Saint Petersburg (Russia)--Description and travel.
Saint Petersburg (Russia)--Historical geography.
Saint Petersburg (Russia)--Maps.
Princeton subject headings:
Maps.
Saint Petersburg (Russia)--Description and travel.
Saint Petersburg (Russia)--Historical geography.
Saint Petersburg (Russia)--Maps.