Columbia subject headings:
Art--Italy--Padua--History.
Padua (Italy)--Guidebooks.
Padua (Italy)--History.
Harvard subject headings:
Art--Italy--Padua--History.
Padua (Italy)--Guidebooks.
Padua (Italy)--History.
Princeton subject headings:
Architecture--Italy--Padua--Guidebooks.
Art--Italy--Padua--Guidebooks.
Padua (Italy)--Guidebooks.
Padua (Italy)--History.