Two similar drawings by Cruyl, executed from the same viewpoint as the present works on vellum, were sold, Paris, Sotheby's, 8 December 1984, lot 75 (St Peter's) and New York, Sotheby's, 23 January 2001, lot 262 (Castel Sant Angelo).
1. see H. Franci, 'Drawings by Lieven Cruyl of Rome', in The Bulletin of the Cleveland Museum of Art, no. 10, 1943, pp. 152-9
Please call 1-800-555-5555 to order a print catalog for this sale.