Columbia subject headings:
Prints, Italian--Catalogs.
Prints--Italy--Bologna--16th century--Catalogs.
Prints--Italy--Reggio Emilia--17th century--Catalogs.
Reni, Guido, 1575-1642--Catalogs.
Harvard subject headings:
Princeton subject headings:
Prints, Italian--Italy--Bologna.
Prints, Italian--Italy--Emilia-Romagna.
Reni, Guido, 1575-1642.