[중고 도서]
Christie's New York 9770, Impressionist and Modern Art Including The Collection of Rene Gaffe (Evening Sale), Tuesday 6 November 2001 (Paperback)
[중고 도서]
Christie's New York 1148, Impressionist and Modern Art (Day Sale) and Impressionist and Modern Works on Paper, Thursday 7 November 2002 (Paperback)