↑Vera Brodsky Lawrence, Strong on Music: The New York Music Scene in the Days of George Templeton Strong, volume 3: Repercussions, 1857-1862, University of Chicago Press, 1999, p. 550.
↑parfois prénommé Édouard: James D. Brown, Biographical dictionary of musicians, with a bibliography of English writings on music, A. Gardner, Londres, 1886, p.262