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.
Taylor, Gerald, ‘John Ruskin: A Catalogue of Drawings by John Ruskin in the Ashmolean Museum, Oxford’, 7 fascicles, 1998, Oxford, Ashmolean Museum, no. 014
Ruskin, John, Catalogue of the Educational Series (London: Smith, Elder, 1871), cat. Educational no. XI.5.B
Ruskin, John, Catalogue of the Educational Series (London: Spottiswoode, 1874), cat. Educational no. 253
Ruskin, John, Catalogue of Examples Arranged for Elementary Study in the University Galleries (Oxford: Clarendon Press, 1870), cat. Educational no. 41.B
Ruskin, John, ‘Rudimentary Series 1878’, 1878, Oxford, Oxford University Archives, cat. Rudimentary no. 284
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. 253
After the structure of leaves has been thoroughly mastered, the student is to make memoranda of their Forms as seen against the light; for which the method shown in this Example entirely suffices, R. indicating at the same time, approximately, the method of transition in colour, and the characteristic tones in each Tree. In these studies, however, the outline is the main object, and everything else is to be made subordinate to the precision of that.