Columbia subject headings:
Harvard subject headings:
Architecture, Modern--17th-18th centuries--Russia (Federation)--Leningrad Region.
Architecture, Modern--19th century--Russia (Federation)--Leningrad Region.
Architecture, Modern--20th century--Russia (Federation)--Leningrad Region.
Landscape architecture--Russia (Federation)--Leningrad Region.
Palaces--Russia (Federation)--Leningrad Region.
Russia--Kings and rulers--Dwellings.
Princeton subject headings:
Architecture--Russia (Federation)--Saint Petersburg Region.
Landscape architecture--Russia (Federation)--Saint Petersburg Region.
Palaces--Russia (Federation)--Saint Petersburg Region.
Russia--Kings and rulers--Dwellings.
Saint Petersburg Region (Russia)