The reasons of love / Harry G. Frankfurt. - Frankfurt, Harry G. (OLS)http://pul/name/49405 (Princeton University Press, 2004)
Bibliografia in nota.

>Ad tuendam fidem< on the >regula fidei< / John P. Boyle. - Boyle, John P. (OLS)http://pul/name/62586 (Ed. Dehoniane, 2000)