Catalogues Raisonnés

• MacDonald, Margaret F., James McNeill Whistler. Drawings, Pastels and Watercolours. A Catalogue Raisonné, New Haven and London, 1995 (cat. no. 1092) as 'Harmony in violet and pink'.

Catalogues 1855-1905

• 'Notes' - 'Harmonies' - 'Nocturnes', Second Series, Messrs Dowdeswell, London, 1886 (cat. no. 57) as 'Harmony in violet and pink'.
• Possibly III. Internationale Kunst-Ausstellung, Königlicher Glaspalast, Munich, 1888 (cat. no. 35) as 'Rosa und Violet'.

Newspapers 1855-1905

• Stolnische Zeitung, 23 July 1888.