Chú thích Friedrich_I_của_Đế_quốc_La_Mã_Thần_thánh

  1. Có nghĩa là Râu đỏ.
  2. Peter Moraw, Heiliges Reich, in: Lexikon des Mittelalters, Munich & Zurich: Artemis 1977–1999, vol. 4, 2025–2028.
  3. 1 2 H. John Haaren,John H. Haaren, "Famous Men of the Middle Ages", các trang 123-126.
  4. Christopher Tyerman, God's War: A New History of the Crusades
  5. Spencer C. Tucker (biên tập), A Global Chronology of Conflict: From the Ancient World to the Modern Middle East: From the Ancient World to the Modern Middle East, trang 389
  6. 1 2 H. John Haaren,John H. Haaren, "Famous Men of the Middle Ages", trang 115
  7. 1 2 Robin Lenman, Artists and Society in Germany, 1850-1914, trang 39
  8. Harold Joseph Berman, "Law and revolution: the formation of the Western legal tradition", Harvard University Press, 1983, tr. 488
  9. Le Goff, J. Medieval Civilization, 400-1500, Barnes and Noble, New York, 2000, p. 266.
  10. Cantor, N. F. Medieval History, Macmillan and Company, 1969, p. 302-3.
  11. Cantor, N. F., ibid. p. 428-429.
  12. Dahmus, p. 359, ibid.
  13. Brown, R. A., The Origins of Modern Europe, Boydell Press, 1972.
  14. Davis, R. H. C. A History of Medieval Europe, Longmans, 1957, p. 318-319.
  15. Falco, G. The Holy Roman Republic, Barnes and Co., New York, 1964, p. 218 et seq.
  16. Cantor, N. F., ibid. p. 368-9.
  17. Davis, R. H. C., A History of Medieval Europe, Longmans, 1957, p. 319.
  18. Dahmus, J., The Middle Ages, A Popular History, Doubleday & Co. Garden City, New York, 1969, p. 295.
  19. Munz, Peter. Frederick Barbarossa: A Study in Medieval Politics. Cornell University Press, Ithaca and London, 1969, p. 228.
  20. Davis, R. H. C., p. 326-7, ibid.
  21. 1 2 Kampers, Franz. "Frederick I (Barbarossa)". The Catholic Encyclopedia. Vol. 6. New York: Robert Appleton Company, 1909. 21 tháng 5 năm 2009.
  22. Le Goff, J. Medieval Civilization 400-1500. Barnes and Noble, New York, 2000, p. 104; reprint of B. Arthaud. La civilization de l'Occident medieval, Paris, 1964.
  23. Davis, R. H. C., p. 332 et seq., ibid.
  24. Brown, R. A., p. 164-5 "The Origins of Modern Europe", Boydell, 1972
  25. online in the Yale Avalon project
  26. Le Goff, J., ibid. p. 96-97
  27. Davis, R. H. C., p. 333, ibid.
  28. Cantor, N. F., ibid. pp. 433-434.
  29. Le Goff, J. ibid. pp. 102-3.
  30. Cantor, N. F., ibid. p. 429.
  31. J. Phillips, The Fourth Crusade and the Sack of Constantinople, 66
  32. Konstam, Historical Atlas of the Crusades, 162
  33. See, eg, Ibn Al-Athir, XII, 30-32
  34. Donald S. Detwiler, Germany: A Short History, trang 38
  35. Brown, R. A., p. 172, ibid.
  36. Kantorowicz, Frederick II; last chapter
  37. Walford, Edward, John Charles Cox, and George Latimer Apperson. "Digit Folklore part II". The Antiquary: A Magazine Devoted to the Study of the Past 1885 Volume XI: January-June.
  38. Novobatzky, Peter and Ammon Shea. Depraved and Insulting English. Orlando: Harcourt, 2001
  39. David Ohana, David Maisel, The Origins of Israeli Mythology: Neither Canaanites Nor Crusaders, trang 132
  40. 1 2 Cyprian Blamires, World Fascism: A Historical Encyclopedia, Tập 1, trang 80
  41. Jarausch, KH. "After Unity; Reconfiguring German Identities", Berghahn Books Inc. New York, 1997, P 35, ISBN 1-57181-041-2
  42. Vasilevsky, Aleksandr Mikhailovich (1984), "Sự nghiệp cả cuộc đời", Moskva: Nhà xuất bản Tiến Bộ, tr. 567

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