Clive Brown, ‘Giacomo Meyerbeer’, in Amanda Holden (ed.), The New Penguin Opera Guide (New York: Penguin, 2001), p. 572.
912
Matthias Brzoska, ‘Meyerbeer: Robert le Diable and Les Huguenots’, in David Charlton (ed.), The Cambridge Companion to Grand Opera (Cambridge: Cambridge University Press, 2003), p. 192.
