Condorcet tra illuminismo e positivismo / Gianni M. Pozzo. - Pozzo, Gianni M. (OLS)http://pul/name/38173 (Libreria universitaria, 1980)
Include indici.
Bibliografia in nota.

Ethics and excellence : cooperation and integrity in business / Robert C. Solomon. - Solomon, Robert C. (OLS)http://pul/name/42266 (Oxford University Press, 1993)
Include indice.
"Bibliography": p. 267-275.