Paul Klee Foundation
Heiner Bastian
Alfred Robert
Jean Et Henry Dauberville
P.A.Lemoisne
Georges Bauquier
David Sylvester
Sarah Whitfield他
Kurt Schwitters
M.G Dortu
Hans Konrad Roethel
Denis Rouart & Daniel Wildenstein
Ellen G. Landau他
Antique Collectors'Club Corporate Author
Kellermann
Francois Chapon/Isabelle Rouault
Christian Parisot
Ludovic Rodo Pisaro/Lionello Venturi
Edward Ruscha
Fanny Guillon-Laffaille
Lionello Venturi
Guy-Patrice Dauberville/Michel Dauberville
Jacques Dupin
Georges Bloch
Max Beckmann
Maurice Laffaille
Paul Petrides
Bruce Nauman
Anna Agusti
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