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Photo-Secession : Stieglitz and the fine-art movement in photography
New York : Dover Publ, [1978]
Kunstbibliothek - Staatliche Museen zu Berlin , Hamburger Kunsthalle
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Venus and Mars : the world of the Medieval housebook.[ ...published in conjunction with the exhibition held at the National Gallery of Art, Washington D:C: November 8,1998 - January 31,1999 and the Frick Collection, New York May 9 -July 25, 1999.]/ Christoph Graf zu Waldburg Wolfegg
Munich : Prestel, 1998
Hamburger Kunsthalle