Columbia subject headings:
Italy--Antiquities, Roman.
Maxentius, Marcus Aurelius Valerius, Emperor of Rome, -312.
Rome (Italy)--Antiquities, Roman.
Romulus Mausoleum (Italy)
Romulus, Valerius, 293 or 294-309--Tomb.
Harvard subject headings:
Mausoleums--Italy--Rome.
Princeton subject headings:
Architecture, Roman--Italy--Rome.
Italy--Antiquities.
Maxentius, Marcus Aurelius Valerius, Emperor of Rome, -312--Tomb.
Rome (Italy)--Antiquities.