How to cite
David Hill, ‘Three Sketches: The Castle of Chillon, Chatelard Castle in the Val d’Aosta, and Part of a Sketch of Geneva 1836 by Joseph Mallord William Turner’, catalogue entry, June 2010, in David Blayney Brown (ed.), J.M.W. Turner: Sketchbooks, Drawings and Watercolours, Tate Research Publication, February 2014, https://www