Nine mediaeval thinkers : a collection of hitherto unedited texts - O'Donnell, J. Reginald, <csb 1907- >. (OLS)http://semarc/name/123217 (Pontifical institute of Mediaeval studies,, 1955)
Keywords: Filosofia medievale - Influssi [di] Boezio, Severino. (OLS)http://semarc/subject/59006; Filosofia medievale - Sec. 11. (OLS)http://semarc/subject/12592