(3) Anwar G. Chejne, Muslim Spain: Its History and
Culture
(Minneapolis: Univ. of Minnesota Press, 1974), 403.
(4) George Sarton, Introduction to the History of
Science
(Baltimore: William and Wilkins, 1931), 338.
(5) Pearce Williams and Henry John Steffans, The History of
Science
in Western Civilization (Washington, DC: University
Press of America,
1977), 224.
(6) Joseph F. O'Callaghan, A History of Medieval
Spain
(Ithaca: Cornell Univ. Press, 1975), 313.
(7) Paul O. Kristeller, ed., Catalogus translationum et commentariorum: Mediaeval and Renaissance Latin Translations and Commentaries: Annotated Lists and Guides (Washington, DC: Catholic University of America Press, 1960), 170.
(8) Dictionary of Scientific Biography, 1978 ed., s.v. "Gerard of Cremona," by Richard Lemay.
(9) Edward Grant, ed., A Source Book in Medieval Science (Cambridge, MA: Harvard Univ. Press, 1974), 36.
(10) Dictionary of Scientific Biography.
(11) Ibid.
(12) Ibid.
(13) Ibid.
(14) Ibid.
(15) Encyclopedia of Religion, 1986 ed., s.v. "Islam in Spain."
(16) Thomas Glick, Islamic and Christian Spain in the Early Middle Ages (Princeton, NJ: Princeton Univ. Press, 1979), 12.
(17) Dictionary of Scientific Biography.
(18) Glick, Islamic and Christian Spain, 257-58.
(19) Lynn Thorndike, A History of Magic and Experimental Science (New York: MacMillan, 1929), 646.
(20) Dictionary of Scientific Biography.
(21) Ibid.
(22) Pearce Williams and Henry John Steffans, The History of Science in Western Civilization (Washington, DC: University Press of America, 1977), 233.
(23) Charles Singer, From Magic to Science (New York: Boni and Liveright, 1929), 80.
(24) Williams, History of Science, 233.
(25) Ibid.
(26) Singer, From Magic to Science, 89.
(27) Thorndike, A History of Magic, 159.
(28) George Sarton, Six Wings: Men of Science in the Renaissance (Bloomington, IN: Indiana Univ. Press, 1957), 83.
(29) Ibid.
(30) Ibid., 57.
(31) Taton, History of Science, 499.
(32) Carl B. Boyer, A History of Mathematics (New York: John Wiley and Sons, 1980), 287.
(33) Dictionary of Scientific Biography.
(34) Ibid.
(35) Encyclopedia of Religion, 1986 ed., s.v. "Islamic Alchemy: Influence on the West."
(36) Dictionary of Scientific Biography.
(37) Ibid.
(38) Dictionary of Scientific Biography.
(39) Baldassarre Boncompagni, Della vita e delle opere de Gherardo Cremonese (Rome: Tipografia delle belle arti, 1851).