Ocriculum : Otricoli - Pietrangeli, Carlo. (OLS)http://semarc/name/5723 (Istituto di studi romani, 1943)
Keywords: Otricoli. (OLS)http://semarc/subject/38674

4: Books 12.-15. - Levine, Philip. (OLS)http://semarc/name/66470 (City of God against the pagans)