GameFAQs: Ultima VIII: Walkthroughs.
Pentagram: Open source recreation of the engine for use on modern operating systems.
The Complete Guide to Ultima VIII: Pagan: Walkthrough with creature, spell, and item lists.
Things Your Mother Never Told You About Pagan: Screenshots and information.
Ultima VIII: Pagan: FAQs, walkthroughs, music, screen shots, and patches.