- Author: Hinshelwood R. D., Paul Williams, Glen O. Gabbard
- Language: English
- Year: 2004
The Illusion of Invincibility: The Rise and Fall of Organizations Inspired by the Incas of Peru
epub
- Author: Paul Williams, Andreas Krebs
- Language: English
- Year: 2019
- Author: Paul Williams
- Language: English
- Year: 2018
- Author: Paul Williams
- Language: Spanish
- Year: 2013
- Author: Paul Williams
- Language: English
- Year: 2006
- Author: Paul Williams
- Language: English
- Year: 2006
- Author: Gregory Paul Williams
- Language: English
- Year: 2011
- Author: Glen O. Gabbard, Bonnie E. Litowitz, Paul Williams
- Language: English
- Year: 2011
- Author: Paul Williams, Glen O. Gabbard
- Language: English
- Year: 2007