Gennadius. Lives of Illustrious Men 75
75 Peter the presbyter
Peter, presbyter of the church at Edessa, a famous preacher, wrote Treatises on various subjects, and Hymns after the manner of Saint Ephrem, the deacon.
Philip Schaff and Henry Wace (eds.), New York: Christian Literature Publishing Co., 1890-1900. Public domain: English translation first published 1885-1900 (Nicene and Post-Nicene Fathers, Second Series).