1David Knowles, The Evolution of Medieval Thought, New York. Random House, 1962, p. 140.
2Quentin Taylor, "John of Salisbury, the Policraticus, and Political Thought", Humanitas, vol. 19, Issue 1/2 (2006), p. 133.
3Chades Howard Mellwain, The Growth of Political Thought in the West. from the Greeks to the end of the Middle Ages, New York. Macmillan, 1932, p. 324.
4Entheticus Maior and Minor, Edited and Translated by Jan van I.aarhoven, 3vols, Leiden, Netherlands ; New York . E.J. Brill, 1987.
5Cary J. Nederman, John of Salisbury, Tempe and Arizona. Arizona Center for Medieval and Renais-sance Studies, 2005, p. 43.
6Entheticus Maior and Minor, Edited and Translated by Jan van Laarhoven, vol. 1, Leiden, Netherlands; New York . E.J. Brill, 1987, pp. 188 - 191 ,pp. 190 - 191 ,pp. 192 - 193.
7Entheticus Maior and Minor, Edited and Translated by Jan van Laarhoven, vol. 1, Leiden, Netherlands; New York . E. J. Brill, 1987, pp. 194 -201 ,pp. 194 -195.
8David Luscome, "John of Salisbury in Recent Scholarship", in The World of John of Salisbury, Blackwell publishers, edi- ted by Michael Wilks, Oxford. Basil Blackwell, 1984, p. 29.
9Entheticus Major and Minor, Edited and Translated by Jan van Laarhoven, vol. 1, Leiden, Netherlands; New York. E.J. Brill, 1987, p. 55.
10Hans Liebeschtitz, Mediaeval Humanism in the Life and Writings of John of Salisbury, Nendeln. Kraus Reprint, 1968, pp. 20 -22.
