The Apostolic Fathers is a term used to describe a group of Early Christian writings produced in the late 1st century and the first half of the 2nd century. These writings, though not unpopular in Early Christianity, were ultimately not part of the New Testament once it reached its final form. Many of the writings derive from the same time period and geographical location as other works of early Christian literature that did come to be part of the final form of the New Testament, and some of the writings found among the "Apostolic Fathers" seem to have been just as highly regarded as some of the writings (that remained) in the New Testament.
List of works:
The Epistle to Diognetus
The First Epistle of Clement
The Second Epistle of Clement (not actually written by Clement)
The Epistle of Barnabas
Seven Epistles of Ignatius (the longer forms of these Epistles, and those beyond the seven, are widely considered later emendations and forgeries)
The Epistle of Polycarp
The Martyrdom of Polycarp
The Shepherd of Hermas
Fragments of the writings of Papias, which have survived as quotations in later writers
One short fragment of a writing by Quadratus of Athens
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