– Giovanni Battista Meneghini, Henry Wisneski, My Wife Maria Callas (tit. or. Maria Callas, mia moglie), London, The Bodley Head, 1972, pp. 80-81, 183, 189.
– Amanda Holden, The New Penguin Opera Guide, Harmondsworth, Middlesex, Penguin Books, 2001, p. 236.
– Fiona Macintosh, Pantelis Michelakis, Edith Hall, Oliver Taplin, Agamemnon in Performance: 458 BC to AD 2004, Oxford, Oxford Univesity Press, 2005, fig. 5.2. |