*Google book : "Latin Literature A History", Gian Biagio Conte==External links==*Book I, The Opinions of Julius Paulus, Addressed to His Son*Book II, The Opinions of Julius Paulus, Addressed to His Son*Book III, The Opinions of Julius Paulus, Addressed to His Son*Julius Paulus, in ‘Dictionary of Greek and Roman Biography and Mythology’, ancientlibrary.com
* Гай* Ульпиан* Book I, The Opinions of Julius Paulus, Addressed to His Son* Book II, The Opinions of Julius Paulus, Addressed to His Son* Book III, The Opinions of Julius Paulus, Addressed to His Son