Clement of Rome (fl. c. 95)

Ignatius of Antioch (fl. c. 100-115)

Polycarp of Smyrna (69- 155)

Didache (100-150)

The Epistle of Barnabas (130-131)

Papias of Hierapolis (c. 60-130)

Quadratus of Athens (d. 129)

Papias of Hierapolis (c. 60-130)

Epistle to Diognetus (130 ? - late 2nd century ?)

The Shepherd of Hermas (90-150)

Justin Martyr (c. 100-165)

Aristide of Athens, Apology (c. 120-138)

Clement of Alexandria (c. 150-215)

Tertullian (155-c. 220)

Melito of Sardis (d. 180)

Irenaeus (early 2nd century – died c. 202)

Athenagoras of Athens (c. 133-c.190)

Theophilus of Antioch (d. 183-185)

Hippolitus of Rome (170-235)

The Bauer Thesis: The Origins of Orthodoxy and Heresy

Simon Magus

Ebionism

Nicolaism

Christian Gnosticism

Sethianism

Marcionism

Montanism

Ebionites

Nazarenes

Elchasaites