Catalogues Raisonnés
-
MacDonald, Margaret F., James McNeill Whistler. Drawings, Pastels and Watercolours. A Catalogue Raisonné, New Haven and London, 1995 (cat. no. 1559) as 'r.: Two butterflies, one on a tricolour flag; v.: Butterfly on a tricolour flag'.
Authored by Whistler
-
Whistler, James McNeill, Eden versus Whistler: The Baronet and the Butterfly. A Valentine with a Verdict, Paris: Louis-Henry May, 1899, p. viii.
Websites
- The Hunterian website at http://collections.gla.ac.uk.
Last updated: 7th December 2020 by Margaret