Columbia subject headings:
Alchemy--Italy--Rome--History--17th century.
Hermetism--Italy--Rome--History--17th century.
Porta magica (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Symbolism in architecture--Italy--Rome.
Harvard subject headings:
Alchemy--Italy--Rome--History--17th century.
Hermetism--Italy--Rome--History--17th century.
Palombara, Massimiliano, marchese, 1614-1685.
Porta magica (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Symbolism in architecture--Italy--Rome.
Princeton subject headings: