Presented by John Ruskin to the Ruskin Drawing School (University of Oxford), 1875; transferred from the Ruskin Drawing School to the Ashmolean Museum, c.1949.
Ruskin, John, Catalogue of the Educational Series (London: Smith, Elder, 1871), cat. Educational no. 130
Ruskin, John, Catalogue of the Educational Series (London: Spottiswoode, 1874), cat. Educational no. 180
Finberg, Alexander J., The History of Turner's Liber Studiorum: With a New Catalogue Raisonné (London: Ernest Benn, 1924), no. 06.III
Ruskin, John, ‘Rudimentary Series 1878’, 1878, Oxford, Oxford University Archives, cat. Rudimentary no. 173
Ruskin, John, ‘The Ruskin Art Collection at Oxford: Catalogues, Notes and Instructions’, Edward T. Cook and Alexander Wedderburn, eds, The Works of John Ruskin: Library Edition, 39 (London: George Allen, 1903-1912), 21, cat. Educational no. 180 & Rudimentary no. 173
Jason attacking the Dragon . This and the two R. following examples of Turner’s heroic design are so copiously illustrated in Modern Painters that it is unnecessary here to give more than their titles.