Columbia subject headings:
Harvard subject headings:
Art--Italy--Rome--Guidebooks.
Baths of Diocletian (Rome, Italy)--Guidebooks.
Museo Palatino (Rome, Italy)--Guidebooks.
Museo nazionale romano--Guidebooks.
Palazzo Altemps (Rome, Italy)--Guidebooks.
Rome--Antiquities--Guidebooks.
Theater of Balbus (Rome, Italy)--Guidebooks.
Princeton subject headings:
Art--Italy--Rome--Guidebooks.
Guidebooks.
Museo nazionale romano--Guidebooks.
Rome--Antiquities--Guidebooks.