Accursius: "Dic hec verba esse Ir<nerii> non legis"
Justinian, Codex (Venice: 1496) fol. 12v
Authentica at Cod. 1.5.20 (Nov. 5 c.5)
Gratian, C.19 q.3 c.9
Gratian
placed 30 authenticae in the last recension of his Decretum ca. 1140
Vacarius ca. 1150, Johannes Faventinus ca. 1170 (died ca. 1190), Summa Lipsiensis ca. 1186), , Roffredus (1170-ca. 1243), Huguccio (died 1210), Hugolinus (died a.1233), Azo (died ca. 1230), Accursius (died 1263, Odofredus (died 1265) attributed the authenticae to Irnerius
Later jurists followed Irnerius by creating authenticae, i.e. Bulgarus, Albertus, Jacobus, Pilius, Henricus de Bailia, Johannes Bassianus
Ken Pennington, "The Beginning of Roman Law Jurisprudence and Teaching in the Twelfth Century: The Authenticae," Rivista internazionale di diritto comune 22 (2011) 35-53