Encyclopædia Britannica: Paul - Lengthy article on the Apostle to the Gentiles, from the 11th edition (1911). - http://encyclopedia.jrank.org/PAS_PER/PAUL.html
The Paul Page - Theological perspectives on the apostle with an emphasis on recent developments in understanding Paul's first century context within Judaism. - http://www.thepaulpage.com/
Conversion of Saint Paul, Apostle - An illustrated retelling of that familiar story. - http://www.saintpatrickdc.org/ss/0125.htm#paul
The Ecole Glossary: Paul - Biographical sketch, by Karen Rae Keck. - http://www2.evansville.edu/ecoleweb/glossary/paul.html
Catholic Online: St. Paul - Overview of Paul's missionary journeys. - http://www.catholic.org/saints/saint.php?saint_id=91
Paul the Man and the Teacher - A complete book by Risto Santala in e-text form. Written in light of Jewish sources. - http://www.kolumbus.fi/hjussila/rsla/Paul/
Catholic Encyclopedia - Long article on the life and work of St. Paul. - http://www.newadvent.org/cathen/11567b.htm
The Road to Damascus - About the conversion of St. Paul. By Fulton Oursler. - http://www.ewtn.com/library/MARY/ROADDAMA.htm
Saint Paul, Apostle to the Gentiles - From the book "Lives of Saints," published by John J. Crawley. - http://www.ewtn.com/library/MARY/PAUL.htm
Patron Saints - SS. Peter and Paul the Apostles Catholic Church offers a look at these two early disciples of Jesus. - http://www.sspeterandpaul.org/saint.htm