Chú thích Cato_Trẻ

  1. Gerhard Ritter, Frederick the Great: a historical profile, trang 112
  2. Catharine Edwards, Death in ancient Rome, trang 39
  3. William Henry Davenport Adams, The Mediterranean illustrated: picturesque views and descriptions of its cities, shores, and islands, trang 341
  4. 1 2 Frederic Shoberl, Thomas Campbell, Frederick the Great, his court and times, Tập 1, trang 265
  5. Rhona Silverbush, Sami Plotkin, Speak the speech!: Shakespeare's monologues illuminated, trang 609
  6. W. Warde Fowler, Social Life At Rome In The Age Of Cicero, trang 84
  7. Stanley Frederick Bonner, Education in ancient Rome: from the elder Cato to the younger Pliny, trang 42
  8. Plutarch, Plutarch's lives, T. Tegg, 1828. Trang 531
  9. Samuel Eliot, History of Liberty Part Two, trang 199
  10. F. J. Gould, The Children's Plutarch: Tales of the Romans, trang 133
  11. Franz Kugler, The pictorial history of Germany: during the reign of Frederick the Great: comprehending a complete history of the Silesian campaigns, and the seven years war, trang 488
  12. Gerhard Ritter, Frederick the Great: A Historical Profile, trang 126.
  13. Gerhard Ritter, Frederick the Great: a historical profile, trang 127

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