Catalogues Raisonnés

• MacDonald, Margaret F., James McNeill Whistler. Drawings, Pastels and Watercolours. A Catalogue Raisonné, New Haven and London, 1995 (cat. no. 1246) as 'Twelve butterflies'.

Authored by Whistler

• Whistler, James McNeill, The Gentle Art of Making Enemies, London, 1890, repr. pp. 66, 120, 130, 173, 185, 195, 198, 228, 244, 265, 280.

Catalogues 1855-1905

• Memorial Exhibition of the Works of the late James McNeill Whistler, First President of The International Society of Sculptors, Painters and Gravers, New Gallery, Regent Street, London, 1905 (cat. no. 179) repr. f.p. 19.

Websites

• The Hunterian website at http://collections.gla.ac.uk.