Undine by de la Motte-Fouqué adapted from the German by W.L. Courtney and illustrated by Arthur Rackham, London, William Heinemann,1909; New-York, Doubleday, Page & Co, 1911. Read on line.
Au, Susan (1978). "The Shadow of Herself: Some Sources of Jules Perrot's "Ondine"". Dance Chronicle. 2 (3). Taylor & Francis, Ltd: 160. doi:10.1080/01472527808568730. JSTOR1567379.
Au, Susan (1978). "The Shadow of Herself: Some Sources of Jules Perrot's "Ondine"". Dance Chronicle. 2 (3). Taylor & Francis, Ltd: 160. doi:10.1080/01472527808568730. JSTOR1567379.