- Author: Roger Cliff, David A. Shlapak
- Language: English
- Year: 2007
- Author: Daniel L. Byman, Roger Cliff
- Language: English
- Year: 2000
- Author: Roger Cliff
- Language: English
- Year: 2015
- Author: Richard P. Hallion Roger Cliff and Phillip C. Saunders
- Language: English
- Year: 2012
- Author: Roger Cliff
- Language: English
- Year: 2011
- Author: Roger Cliff
- Language: English
- Year: 2007
- Author: Roger Cliff
- Language: English
- Year: 2001
- Author: Roger Cliff
- Language: English
- Year: 2001