Columbia subject headings:
Private libraries--Italy--Catalogs.
Private libraries--Italy--History.
Ridolfi, Niccolò, 1501-1550--Library--Catalogs.
Ridolfi, Niccolò, 1501-1550--Library.
Harvard subject headings:
Private libraries--Italy--Catalogs.
Private libraries--Italy--History.
Ridolfi, Niccolò, 1501-1550--Library--Catalogs.
Ridolfi, Niccolò, 1501-1550--Library.
Princeton subject headings:
Catalogs.
Private libraries--Italy--Catalogs.
Private libraries--Italy--History.
Ridolfi, Niccolò, 1501-1550--Library--Catalogs.
Ridolfi, Niccolò, 1501-1550.