Galatopoulos, Stelios, Maria Callas, Sacred Monster, New York: Simon and Schuster, 1998, ISBN 0-684-85985-8
Seletsky, Robert E., The Performance Practice of Maria Callas: Interpretation and Instinct, "The Opera Quarterly", 20/4 (2004), ms. 587–602.
Seletsky, Robert E., Callas at EMI: Remastering and Perception; A Callas Recording Update; A Callas Recording Update...updated, "The Opera Quarterly", 16/2 (2000), ms. 240–255; 21/2 (2005), ms. 387–391; 21/3, ms. 545–546 (2005).
Stancioff, Nadia, Maria: Callas Remembered. An Intimate Portrait of the Private Callas, New York: E. P. Dutton, 1987, ISBN 0-525-24565-0
