Columbia subject headings:
Architecture, Roman.
Monuments--Rome.
Rome--History--Augustus, 30 B.C.-14 A.D.
Harvard subject headings:
Architecture--Italy--Rome--History.
Augustus, Emperor of Rome, 63 B.C.-14 A.D.--Influence.
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Roman.
Monuments--Rome.
Rome--History--Augustus, 30 B.C.-14 A.D.