Tham khảo George_Santayana

  1. ↑ John R. Shook (ed.), The Dictionary of Modern American Philosophers, Continuum, 2005, tr. 1499.
  2. ↑ “the definition of Santayana”. dictionary.com. 
  3. ↑ George Santayana, "Apologia Pro Mente Sua," in P. A. Schilpp, The Philosophy of George Santayana, (1940), 603.
  4. ↑ George Santayana (1905) Reason in Common Sense, p. 284, volume 1 of The Life of Reason
  5. ↑ George Santayana (1922) Soliloquies in England and Later Soliloquies, number 25
  6. ↑ “Beauty as Intrinsic Pleasure by George Santayana”. 
  7. ↑ Lovely, Edward W. (28 tháng 9 năm 2012). George Santayana's Philosophy of Religion: His Roman Catholic Influences and Phenomenology. Lexington Books. tr. 1, 204–206. 
  8. ↑ Xem các tác phẩm của ông, chẳng hạn như Persons and Places; Soliloquies in England and Later Soliloquies