A letter of Peter the Fuller (471–488) mentions a bishop of Abydus called Pamphilus. Source: Internet
Eusebius, in his history of the persecutions, alludes to the fact that many of the Caesarean martyrs lived together, presumably under Pamphilus. Source: Internet
Barnes, Constantine and Eusebius, 95. Soon after joining Pamphilus' school, Eusebius started helping his master expand the library's collections and broaden access to its resources. Source: Internet
Eusebius, Historia Ecclesiastica 6.32.3–4; Barnes, Constantine and Eusebius, 93; idem., "Eusebius of Caesarea", 2 col. 2. Pamphilus also managed a school that was similar to (or perhaps a re-establishment of Levine, 124–25. ) that of Origen. Source: Internet
Barnes, Constantine and Eusebius, 94. Because of his close relationship with his schoolmaster, Eusebius was sometimes called Eusebius Pamphili: "Eusebius, son of Pamphilus". Source: Internet
As a boy, he studied philosophy for four years under the Platonist teacher Pamphilus. Source: Internet