Reference: Watts, 1857

Alaric Alexander Watts, 'A Biographical Sketch of J. M. W. Turner, Esq., R.A.' in Leitch Ritchie, Liber Fluviorum, or, River Scenery of France. Depicted in Sixty-One Line Engravings from Drawings by J. M. W. Turner, R.A., London, 1857, pp.vii–lvi