Vita, morte, risurrezione / Maurice Zundel. - Zundel, Maurice, 1897-1975. (OLS)http://pul/name/21699 (Edizioni Istituto San Gaetano, 2003)

Philosophical reasoning : a study in the methodology of philosophizing / Nicholas Rescher. - Rescher, Nicholas. (OLS)http://pul/name/109909 (Blackwell Publishers, 2001)