Personen : Versuche über den Unterschied zwischen "etwas" und "jemand" / Robert Spaemann. - Spaemann, Robert, 1927- (OLS)http://pul/name/15909 (Klett-Cotta, 2006)
Include referenze bibliografiche.

Essays and reviews : 1959-2002 / Bernard Williams ; foreword by Michael Wood. - Williams, Bernard, 1929-2003. (OLS)http://pul/name/15553; Wood, Michael. (OLS)http://pul/name/89859 (Princeton University Press, 2014)
Include indici.
Bibliografia in nota.