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, The Ruskin Art Collection at Oxford: Catalogue of the Rudimentary Series, in the Arrangement of 1873, ed. Robert Hewison (London: Lion and Unicorn Press, 1984), cat. Rudimentary no. 244, RUD.244
Ruskin, John, Instructions in the Preliminary Exercises Arranged for the Lower Drawing-School (London: Smith, Elder, 1872), cat. Rudimentary no. 244
Ruskin, John, Instructions in Practice of Elementary Drawing, Arranged with Reference to the First Series of Examples in the Drawings Schools of the University of Oxford (n.p., [1872]), cat. Rudimentary no. 244
Oeder, George Christian, et al., Icones plantarum sponte nascentium in regnis Daniæ et Norvegiæ, in ducatibus Slesvici et Holsatiæ, ... Floræ Danicæ nomine inscriptum, 23 (Copenhagen: Claudius Philibertus, 1764-1883), vol. I (1766), pl. 37
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. Rudimentary no. 244
Ruskin, John, Instructions in the Preliminary Exercise Arranged For the Lower Drawing-School (London: Spottiswoode, 1873), cat. Rudimentary no. 244