Columbia subject headings:
Harvard subject headings:
Aventine Hill (Italy)--History--Exhibitions.
Chiesa di Santa Maria del Priorato (Rome, Italy)--Exhibitions.
Church architecture--Italy--Rome--Exhibitions.
Clement XIII, Pope, 1693-1769--Art patronage--Exhibitions.
Knights of Malta. Gran priorato di Roma--Exhibitions.
Piranesi, Giovanni Battista, 1720-1778--Exhibitions.
Rezzonico family--Art patronage--Exhibitions.
Princeton subject headings:
Piranesi, Giovanni Battista, 1720-1778--Exhibitions.