Columbia subject headings:
Colonna family--Art collections.
Painting, Italian--17th century--Exhibitions.
Painting--Private collections--Italy--Rome--History--18th century.
Palazzo Colonna (Rome, Italy)
Harvard subject headings:
Art--Private collections--Italy--Rome--18th century.
Art--Private collections--Italy--Rome--History--18th century.
Colonna family--Art collections.
Galleria Colonna.
Watercolor painting, Italian--Italy--Rome--18th century.
Princeton subject headings:
Colonna family--Art collections.
Painting, Italian--17th century--Exhibitions.
Painting--Private collections--Italy--Rome--History--18th century.
Palazzo Colonna (Rome, Italy)