Columbia subject headings:
Biblioteca di S.M. il re (Turin, Italy)--Exhibitions.
Drawing--Italy--Turin--Exhibitions.
Harvard subject headings:
Biblioteca di S.M. il re (Turin, Italy)--Exhibitions.
Drawing, European--Exhibitions.
Drawing, Italian--Exhibitions.
Princeton subject headings:
Biblioteca di S.M. il re (Turin, Italy)--Exhibitions.
Drawing--16th century--Exhibitions.
Drawing--17th century--Exhibitions.
Drawing--18th century--Exhibitions.