Pythagoreanism
- Detailed essay on the development and legacy of this school.
- http://cyberspacei.com/jesusi/inlight/philosophy/western/Pythagoreanism.htm
The Mystica: Pythagoreanism
- Digest of this school's teachings and its relation to Platonism.
- http://www.themystica.com/mystica/articles/p/pythagoreanism.html