(Possibly) Ippolito Pindemonte, 1784. (Possibly) C. Le Blanc, Manuel de l'Amateur d'Estampes, Contenant un Dictionnaire des Graveurs de toutes les Nations, Paris, 1854, III, no. 13. (Possibly) V. Manners and G.C. Williamson, Angelica Kauffmann, R.A., Her Life and Her Works, London, 1924, p. 223, print dated 1776. (Possibly) P. Walch, Angelica Kauffman, unpublished dissertation, Princeton, 1968, p. 233. (Possibly) P. Walch, 'Angelica Kauffman and her Contemporaries', Art Bulletin, 51, 1969, no. 21. C.G. Boerner, Angelika Kauffmann und Ihr Zeit Graphik und Zeichnungen von 1760-1810, 1979, no. 98, print dated 1781. B. Baumgärtel, unpublished dissertation, 1990, p. 125, note 183, no. 289 I (II). O. Sandner, Angelika Kauffmann und Rom, exhibition catalogue, Accademia Nazionale de San Luca, 1998, p. 224, under no. 31, print dated 1781. B. Baumgärtel, Angelika Kauffmann, exhibition catalogue, Kunstmuseum Düsseldorf, November 1998-July 1999, p. 157, under no. 50, print dated 1776. To be included in the forthcoming catalogue raisoné of the artist's work currently being prepared by Bettina Baumgärtel.