The world ob[s]ervedde Cara D. DenisonMateriasEuropean DrawingDrawingArt collectionsExhibitionsPrivate collectionsCatalogsCharles RyskampArt museumsEdiciones (2)The World Observed (2001)Pierpont Morgan Library · inglés · ISBN 9780875981314The world ob[s]erved (2001)
BBritish Landscape Drawings and Watercolours from the PierponBritish Landscape Drawings and Watercolours from the Pierpont Morgan Library1994