Alfred Wotquenne, Catalogue Thématique des Œuvres de Chr. W. v. Gluck, Leipzig/Bruxelles/London/New York, Breitkopf & Härtel, 1904, p. 202 (copy at Internet Archive)
The role is not listed by Wotquenne (cf. above) and, according to the complete score edited by Daniela Philippi (Christoph Willibald Gluck, Le Cadi dupé. Opéra-comique in einem Akt (Gluck. Sämtliche Werke. Serie IV, Band 6), Kassel, Bärenreiter, 1999, ISMN 979-0006495528), the opera is set for: 2 soprano voice solos, 2 tenor voice solos, 2 baritone voice solos, speaker and orchestra. According to "Christoph Willibald Gluck. Sämtliche Werke, GluckWV-online". Retrieved 2018-09-12., also a spoken role.
