Art Nouveau: Utopia: Reconciling the Irreconcilable (Taschen's 25th Anniversary Special Editions Series)
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(hidden, unknow forms of Art Nouveau in Europe)

Art Nouveau A&I (Art and Ideas)
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Rene Lalique: Exceptional Jewellery, 1890-1912
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Rene Lalique at the Calouste Gulbenkian Museum
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Jugendstil Guertelschlieýen / Art Nouveau Buckles: Sammlung Kreuzer / The Kreuzer Collection
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Le Bijou Art Nouveau En Europe (Collection joaillerie) (French Edition)
 

The Art Nouveau Style Book of Alphonse Mucha
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Schmuck-Kunst im Jugendstil At Nouveau Jewellery
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(The essential book for an Art Nouveau Jewelry book collector)