- Author: David Spencer
- Language: Spanish
- Year: 2018
- Author: David Spencer
- Language: English
- Year: 2016
- Author: David Spencer, Lise Barry, Lola Akin Ojelabi
- Language: English
- Year: 2019
- Author: Nightingale David, Spencer Christopher
- Language: English
- Year: 2015
- Author: Nightingale David, Spencer Christopher
- Language: English
- Year: 2015
- Author: Horowitz David, Spencer Robert
- Language: English
- Year: 2011
- Author: Luton David Spencer.
- Language: French
- Author: David Spencer
- Language: English
- Year: 2008
- Author: William David Spencer
- Language: English
- Year: 1992