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Are you Ludo van Halem, author of the books below?
Constant by Ludo van Halem Picasso, Klee, Miró en de moderne kunst in Nederlasnd 1946-1958 by Ludo van Halem Marc Ruygrok by Ludo van Halem CoBrA by Ludo van Halem Marjan Teeuwen by Marjan Teeuwen CoBrA by Karel Appel Willem de Kooning Drawing by Kevin Salatino


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