Other
The Gnostic Library Society: The Apocalypse of Paul
The complete text of the written work as discovered in Egypt, part of the famous "Nag Hammadi" find (a large collection of books found in the Egyptian desert and some of the earliest texts ever found).
New Advent
Catholic Encyclopedia: St. Paul
This site contains a brief biography and history of St. Paul. Please note that ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of resource material dated around 1910.