| Acac | Acacius Caesariensis | †366 |
| Ad | Adamantius | 300/350 |
| Ambr | Ambrose | †397 |
| Ps Ambr | Ps Ambrose | |
| Ambst | Ambrosiaster | 366-384 |
| Apr | Apringius Pacensis | 531-548 |
| Arn | Arnobius the Younger | †p. 455 |
| Ath | Athanasius of Alexandria | †373 |
| Athen | Athenagoras | a. 180 |
| Aug | Augustine | †430 |
| BasilCl | Basilides according to Clement | II |
| Bas | Basil of Caesarea | †379 |
| BasA | Basil of Ancyra | †ca. 374 |
| Bea | Beatus of Liébana | VIII |
| Beda | The Venerable Bede | †735 |
| Cass | Cassiodorus | †p. 580 |
| Chr | John Chrysostom | †407 |
| Cl | Clement of Alexandria | †a. 215 |
| Cllat | Clement of Alexandria, Latin translation | |
| ClexThd | Clement ex Theodoto | |
| Clhom | Ps-Clementine homilies | IV? |
| 2Cl | II Clement | II |
| Cn | John Cassian | †ca. 435 |
| Cyp | Cyprian | †258 |
| Cyr | Cyril of Alexandria | †444 |
| CyrJ | Cyril of Jerusalem | †386 |
| Didache | Didache | ca. 100 |
| Did | Didymus of Alexandria | †398 |
| Dion | Dionysius of Alexandria | ca. 264/265 |
| Ephr | Ephraem Syrus | †373 |
| Epiph | Epiphanius of Constantia | †403 |
| Eus | Eusebius of Caesarea | †339/340 |
| Firm | Firmicus Maternus | †p. 360 |
| Fulg | Fulgentius | †527? |
| GrNy | Gregory of Nyssa | †394 |
| Hes | Hesychius | †p. 451 |
| Hier | Jerome | †420 |
| Hil | Hilary | †367 |
| Hipp | Hippolytus | †235 |
| Ir | Irenaeus | II |
| Irlat | Irenaeus, Latin translation | a. 395 |
| Irarm | Irenaeus, Armenian translation | IV/V |
| JulCl | Julius Cassianus according to Clement | II |
| Ju | Justin Martyr | †ca. 165 |
| Lact | Lactantius | †p. 317 |
| Lcf | Lucifer | †ca. 371 |
| McionT/E/A | Marcion according to Tertullian, Epiphanius, Adamantius | II |
| Marc | Marcus Eremita | †p. 430 |
| MarIr | Marcus/Marcosians according to Irenaeus | II |
| MVict | Marius Victorinus | †p. 363 |
| Meth | Methodius of Olympus | †p. 250 |
| Nic | Nicetas of Remesiana | †p. 414 |
| Nil | Nilus of Ancyra | †ca. 430 |
| Nov | Novatian | †p. 251 |
| OphitesIr lat | Ophites according to Irenaeus | |
| Or | Origen | †254 |
| Orlat | Origen, Latin translation | |
| Ors | Origen, Supplement refers to a long lemma (Jn 2,12-25) in Origen's commentary on John (before Bk. X,1; ed. Preuschen 170), an early insertion replacing the original text. | |
| Oros | Orosius | †p. 418 |
| Pel | Pelagius | †p. 418 |
| Polyc | Polycarp of Smyrna | †156 |
| Prim | Primasius | †ca. 567 |
| Prisc | Priscillian | †385/386 |
| Prosp | Prosper | †p. 455 |
| Ptol | Ptolemy | a. 180 |
| PtolIr | Ptolemy according to Irenaeus | |
| Qu | Quodvultdeus | †ca. 453 |
| Socr | Socrates Scholasticus | †p. 439 |
| Spec | Speculum, Ps-Augustine | V |
| Tert | Tertullian | †p. 220 |
| Thret | Theodoret of Cyrrhus | †ca. 466 |
| Theoph | Theophilus of Alexandria | †412 |
| Tit | Titus of Bostra | †a. 378 |
| Tyc | Tyconius | †p. 390 |
| Vic | Victorinus of Pettau | †304 |
| Vig | Vigilius of Thapsus | †p. 484 |
