Columbia subject headings:
Harvard subject headings:
Art patrons--Italy--Rome--Portraits--Exhibitions.
Caravaggio, Michelangelo Merisi da, 1573-1610--Exhibitions.
Leoni, Ottavio, approximately 1578-1630--Exhibitions.
Painters--Italy--Rome--Portraits--Exhibitions.
Princeton subject headings:
Caravaggio, Michelangelo Merisi da, 1573-1610--Exhibitions.
Portrait painting, Italian--17th century--Exhibitions.
Portraits--Italy--Exhibitions.