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Modern art : impressionist and modern paintings, prints, drawings and sculpture; auction 12 December 2000, taking place simultaneously in Vienna, Milan, Zurich, Cologne, Madrid and Los Angeles
Paris : IA [u.a.], 2000
UB Heidelberg
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L' Art de Vivre - Collection Dr. Alain Gruber : Dienstag, 27. April 2021 - Online Auction
Wien : Dorotheum, [2021]
Bibliothek, Germanisches Nationalmuseum Nürnberg , UB Heidelberg , Kunstbibliothek - Staatliche Museen zu Berlin