Catalogues Raisonnés

• MacDonald, Margaret F., James McNeill Whistler. Drawings, Pastels and Watercolours. A Catalogue Raisonné, New Haven and London, 1995 (cat. no. 1070) as 'Blue and Violet. Lapis Lazuli'.

Catalogues 1855-1905

• III. Internationale Kunst-Ausstellung, Königlicher Glaspalast, Munich, 1888 (cat. no. 46) as 'Blau und violet. Lapis Lazuli'.
• Art Exhibition, Mrs John L. Gardner, 152 Beacon Street, Boston, 1899, p. 8 (cat. no. 22) as 'Pastel'.

Newspapers 1855-1905

• Mecklenburger geber Zeitung, Munich, 23 July 1888.

Books, General

• Alan Chong et al. (eds), Eye of the Beholder: Masterpieces from the Isabella Stewart Gardner Museum, Boston, 2003, p. 201, as 'Lapis Lazuli', repr.

Websites

• Isabella Stewart Gardner Museum website at https://www.gardnermuseum.org.