Columbia subject headings:
Harvard subject headings:
Biblioteca comunale di Siena--Exhibitions.
Istituto d'arte "Duccio di Buoninsegna" (Siena, Italy)--Exhibitions.
Prints, Italian--Exhibitions.
Prints--Technique--Exhibitions.
Scuola del Bisonte (Florence, Italy)--Exhibitions.
Princeton subject headings:
Prints--Technique--Exhibitions.