- Author: Allison Graham
- Language: English
- Year: 2017
- Author: Allison Graham
- Language: English
- Year: 2012
- Author: Blackwill Robert D., Wyne Ali, Allison Graham T., Lee Kuan Yew
- Language: English
- Year: 2013
- Author: Blackwill Robert D., Wyne Ali, Allison Graham T., Lee Kuan Yew
- Language: English
- Year: 2013
- Author: Allison Graham
- Language: Italian
- Year: 2018
- Author: Allison Graham, Blackwill Robert D, Wyne Ali
- Language: English
- Year: 2013
- Author: Allison Graham & Sharon Monteith & Charles Reagan Wilson
- Language: English
- Year: 2011