File:17. April 1876 Aci reale.jpg - Wikimedia Commons
ACI Sketch™ Download - ACISketch is used to design sketches which can later be used for production
At Auction: John Joseph Cotman, John Joseph Cotman (British, 1814-1878), five pencil sketches, 'Study of a Tree beside the Thames', two views of Caister each with a further sketch verso and two