- Author: Angela D. Nichols
- Language: English
- Year: 2019
- Author: Stephen F. Cohen
- Language: English
- Year: 27
- Author: Richard K. Betts
- Language: English
- Year: 2017
- Author: Bethan Greener
- Language: English
- Year: 2017
- Author: Neil L. Whitehead Sverker Finnström
- Language: English
- Year: 2013