Columbia subject headings:
Harvard subject headings:
Art--Collectors and collecting--Italy--Rome--Early works to 1800.
Palazzo Barberini (Rome, Italy)--Early works to 1800.
Rome (Italy)--Buildings, structures, etc.--Early works to 1800.
Princeton subject headings:
Palazzo Barberini (Rome, Italy)--Early works to 1800.
Rome (Italy)--Buildings, structures, etc.--Early works to 1800.