Library / Ante-Nicene FathersAgainst Heresies (Adversus Haereses)Irenaeus of LyonDate180 (175–189), approximateLanguageEnglishGenrePatristicOther versions:Greek: First Thousand Years of GreekGreek: Patrologia Graeca (Open Greek and Latin)Loading the text…← The Epistle of Ignatius to the Trallians (shorter and longer recensions)Fragments III–IV (from the Synodal Letter to Victor of Rome) →