Early Church Fathers

St. Polycarp (69-155 AD)
Source: Catholic.org

An excellent web page:
A reference to the writings of the early Church Fathers
http://www.thecatholictreasurechest.com/ref.htm

Documents available from New Advent
http://www.newadvent.org/fathers/

and Early Church Fathers
http://biblestudy.churches.net/CCEL/FATHERS2/INDEX.HTM