Sidney Janis Gallery, New York; Ludwig Mies van der Rohe, Chicago; van der Rohe family, Germany.
Foundation Purchase, Phyllis C. Wattis Fund for Major Accessions
Johnson, Robert Flynn, Karin Breuer, and Louise Siddons. Rembtrandt to Thieb aud: A Decade of Collecting Works on Paper. San Francisco: Fine Arts Museums of San Francisco, Legion of Honor, June 23--October 7, 2007, pg. 45. (hgs 2/28/08)