Columbia subject headings:
Architecture--Russia (Federation)--History--18th century.
Architecture--Russia (Federation)--History--19th century.
Palaces--Russia (Federation)
Russia--Kings and rulers--Dwellings.
Harvard subject headings:
Palaces--Russia (Federation)--Saint Petersburg
Saint Petersburg (Russia)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Russia (Federation)--17th century.
Architecture--Russia (Federation)--18th century.
Architecture--Russia (Federation)--19th century.
Palaces--Russia (Federation)
Russia--Kings and rulers--Dwellings.