- Author: David J. Bowden, Harold Ellis, Adrian K. Dixon, B. M. Logan
- Language: English
- Year: 2015
- Author: Sala Abdalla, Harold Ellis
- Language: English
- Year: 2019
- Author: Harold Ellis
- Language: English
- Year: 2019
- Author: Harold Ellis Vishy Mahadevan
- Language: English
- Year: 2013
- Author: Harold Ellis Vishy Mahadevan
- Language: English
- Year: 2018
- Author: Harold Ellis
- Language: English
- Year: 2007
- Author: Harold Ellis Vishy Mahadevan
- Language: English
- Year: 2018
- Author: Harold Ellis Sir Roy Calne Christopher Watson
- Language: English
- Year: 2016
- Author: Harold Ellis Andrew Lawson
- Language: English
- Year: 2013