Columbia subject headings:
Architecture, German--Russia (Federation)--Saint Petersburg.
Architecture, German--Russia.
Architecture--Russia--History--18th century.
Harvard subject headings:
Architecture, German--Russia (Federation)--Saint Petersburg.
Architecture, German--Russia.
Architecture--Russia--History--18th century
Princeton subject headings:
Architects--Russia (Federation).
Architecture, German--Russia (Federation).
Architecture--Russia (Federation)--18th century.
Historic buildings--Russia (Federation).