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Nikos Petsalis-Diomidis

The book by Nikos Petsalis-Diomidis,
the result of many years of research and documentation,
is one of the most authoritative studies
on Callas’ life and career in Greece.

  1. The unknown Callas, Nikos Petsalis-Diomidis, Athens, 1998 [in Greek]
  2. Τhe Unknown Callas. The Greek Years, Nicholas Petsalis-Diomidis, foreword by Lord Harewood, Portland (USA), 2001 (Proofs of the 1st edition in English.)
  3. The Unknown Callas.The Greek Υears, Nicholas Petsalis-Diomidis, foreword by Lord Harewood,Portland (USA), 2001 (1st English edition)
  4. La Callas inconnue, Nicolas Petsalis-Diomidis, Paris, 2002
  5. La Callas desconocida, Nicolás Petsalis-Diomidis, Leida (Spain) 2005