Columbia subject headings:
Angliĭskiĭ dvoret͡s (Petrodvoret͡s, Russia)
Palaces--Russia (Federation)--Petrodvoret︠s︡.
Petrodvoret︠s︡ (Russia)--Buildings, structures, etc.
Harvard subject headings:
Petrodvoret︠s︡ (Russia)--Buildings, structures, etc.
Petrodvoret︠s︡ (Russia)--History.
Princeton subject headings: