Catalog of an exhibition held at the National Gallery of Art, Washington, D.C., May 16-Nov. 28, 2010.
German drawings in America and the Wolfgang Ratjen collection / Andrew Robison
Wolfgang Ratjen and European collecting of German drawings / Hinrich Sieveking
Catalogue.
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German master drawings from the Wolfgang Ratjen collection, 1580-1900 by National Gallery of Art. ISBN 9781907372063. Published by National Gallery of Art in 2010. Publication and catalogue information, links to buy online and reader comments.
