A history of islamic philosophy / Majid Fakhry. - Fakhry, Majid. (OLS)http://pul/name/61240 (Columbia University Press, 2004)
"Index": p. [411]-430.
"Bibliography": p. [399]-409.

The provincial letters / Pascal ; traslated with an introduction by A.J. Krailsheimer. - Pascal, Blaise, 1623-1662. (OLS)http://pul/name/8943; Krailsheimer, A. J. (OLS)http://pul/name/40618 (Penguin books, 1967)