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Books about Ryskamp:
Varieties of Romantic Experience: British, Danish, Dutch, French, and German Drawings from the Collection of Charles... by Matthew Hargraves and Charles Ryskamp (Mar 16, 2010)
My Ryskamp Family Heritage by Sally Birch (Sep 25, 2014)
Drawings from the Collection of Mr. & Mrs. Eugene Victor Thaw : Part II / Catalogue by Cara D. Denison ... [Et... by Cara D. Julia Herd. William W. Robinson. Stephanie Wiles Denison (1985)
Contemporary Authors: Biography - Ryskamp, Charles (Andrew) (1928-) (Mar 8, 2005)
The World Observed: Five Centuries of Drawings from the Collection of Charles Ryskamp by Cara D. Denison, William M. Griswold, Kathleen Stuart and Jennifer Tonkovich (Jan 2001)
Giovanni Battista Piranesi: Drawing in the Pierpont Morgan Library. With a Foreword by Charles Ryskamp. by Giovanni Battista (1720-1778)] STAMPFLE, Felice. [PIRANESI (1978)
Three Avant Garde Works [Paperback]  (Author) John Ryskamp (2011)
Wiki information Ryskamp:
Charles Ryskamp was a former director of both The Frick Collection and the Pierpont Morgan Library, a longtime professor at Princeton University, and an avid collector of drawings and prints. He was born in East Grand Rapids, Michigan, or Grand...
Kenneth L. Ryskamp is a Senior Judge in the United States District Court for the Southern District of Florida.