- Author: Levin Mark Reed
- Language: English
- Year: 2013
- Author: Howard Philip K
- Language: English
- Year: 2014
- Author: Drucker Ernest M
- Language: English
- Year: 2018
- Author: Edelman Peter B
- Language: English
- Year: 2017
- Author: Cole David
- Language: English
- Year: 2017
- Author: Philip K. Howard
- Language: English
- Year: 2009