Pomponii Porphyrionis Commentarii in Q. Horatium Flaccum / recensuit Gulielmus Meyer.. - Porphyrio, Pomponius, sec. II-III. (OLS)http://pul/name/18985; Meyer, Wilhelm, 1845-1917. (OLS)http://pul/name/18986 (in aedibus B. G. Teubneri, 1874)