Tham khảo Konstantinos_Laskaris

  • Canduci, Alexander (2010), Triumph & Tragedy: The Rise and Fall of Rome's Immortal Emperors, Pier 9, ISBN 978-1-74196-598-8 
  • Harry J. Magoulias, 'O city of Byzantium: annals of Niketas Choniatēs', Wayne State University Press, 1984

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