Catalogues Raisonnés

• MacDonald, Margaret F., James McNeill Whistler. Drawings, Pastels and Watercolours. A Catalogue Raisonné, New Haven and London, 1995 (cat. no. 1395) as 'A Violet Note'.

Catalogues 1855-1905

• Probably 3rd Exhibition, Pictures, Drawings, Prints and Sculptures, International Society of Sculptors, Painters and Gravers, Galleries of the Royal Institute, London, 1901 (cat. no. 33) as 'Violet Note'.
• Oil Paintings, Water Colors, Pastels and Drawings: Memorial Exhibition of the Works of Mr. J. McNeill Whistler, Copley Society, Boston, 1904 (cat. no. 133) as 'A Violet Note'.

Books on Whistler

• Merrill, Linda, With Kindest Regards. The Correspondence of Charles Lang Freer and James McNeill Whistler, 1890-1903, Washington, DC, and London, 1995, nos. 22 and 28, pp. 101-102, 111-112, pl. 4.
• Spink, Nesta R., Harriet K. Stratis, and Martha Tedeschi, The Lithographs of James McNeill Whistler, (gen. eds, Harriet K. Stratis and Martha Tedeschi), 2 vols., Chicago, 1998 (lithograph, cat. no. 57).

Catalogues 1906-Present

• Curry, David Park, James McNeill Whistler at the Freer Gallery of Art, New York and London, 1984, p. 271, pl. 269.

Websites

• Freer Gallery of Art website at https://asia.si.edu/object/F1894.26a-c, as 'A Violet Note'.
• Margaret F. MacDonald, Grischka Petri, Meg Hausberg, and Joanna Meacock, James McNeill Whistler: The Etchings, a catalogue raisonné, University of Glasgow, 2012, online website. GUW #01509, #01534.