- Author: McWhorter John H
- Language: English
- Year: 2013
- Author: Deutscher Guy
- Language: English
- Year: 2010
- Author: Sylvie Hancil Tine Breban José Antonio Vicente Lozano
- Language: English
- Year: 2018
- Author: Andrew Radford
- Language: English
- Year: 2018
- Author: Kapatsinski Vsevolod
- Language: English
- Year: 2018
- Author: Martín Butragueño Pedro
- Language: Spanish
- Year: 2014
- Author: Jason Kandybowicz Harold Torrence
- Language: English
- Year: 2017
- Author: Crystal David
- Language: English
- Year: 2017
- Author: Progovac Ljiljana
- Language: English
- Year: 2015
- Author: Aldina Quintana Rodríguez
- Language: Spanish
- Year: 2006