Chú thích Trận_sông_Frigidus

  1. 1 2 3 Christoph Flüeler, Martin Rohde, Laster Im Mittelalter, trang 37
  2. ↑ John Julius Norwich, Byzantium: The Early Centuries, 115
  3. ↑ The Dynasty of Valentinian and Theodosius the Great, Norman H. Baynes, The Cambridge Medieval History, Vol.1, Ed. H.M.Gwatkin and J.P. Whitney, (Cambridge University Press, 1911), 247.

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