Columbia subject headings:
Drawing, European--Exhibitions.
Drawing--Private collections--United States--Exhibitions.
Woodner, Ian--Art collections--Exhibitions.
Harvard subject headings:
Art--Private collections--United States--Exhibitions
Drawing, European--Exhibitions.
Drawing, European--Private collections--United States--Exhibitions.
Drawing--Private collections--United States--Exhibitions
Royal Academy of Arts (Great Britain)--Exhibitions.
Woodner, Ian.--Art collections--Exhibitions.
Princeton subject headings:
Drawing, European--Exhibitions.
Drawing--Private collections--United States--Exhibitions.