Columbia subject headings:
Harvard subject headings:
Marsovo pole (Leningrad, R.S.F.S.R.)--History.
Marsovo pole (Saint Petersburg, Russia)
Neoclassicism (Architecture)--Russia (Federation)--Saint Petersburg.
Plazas--Russia (Federation)--Saint Petersburg--History.
Saint Petersburg (Russia)--Buildings, structures, etc.
Princeton subject headings:
Marsovo pole (Saint Petersburg, Russia)
Neoclassicism (Architecture)--Russia (Federation)--Saint Petersburg.
Saint Petersburg (Russia)--Buildings, structures, etc.