Columbia subject headings:
Drawing, Italian--Exhibitions.
Drawing--Private collections.
Krautheimer-Hess, Trude--Art collections.
Harvard subject headings:
Drawing, Italian--Exhibitions.
Drawing--Private collections
Krautheimer, Mrs. Richard--Art collections.
Princeton subject headings:
Drawing, Italian--Exhibitions.
Drawing--Private collections.
Krautheimer, Mrs. Richard--Art collections.