- Author: Olivier Roy, Mohamed-Ali Adraoui
- Language: English
- Year: 2022
- Author: Olivier Roy, Mohamed-Ali Adraoui
- Language: English
- Year: 2022
- Author: Nadia Marzouki, C. Jon Delogu, Olivier Roy
- Language: English
- Year: 2017
- Author: Olivier Roy, C. Jon Delogu, Jean-Louis Schlegel, Olivier Mongin
- Language: English
- Year: 2017
- Author: Olivier Roy
- Language: English
- Year: 2017
- Author: Olivier Roy
- Language: Italian
- Year: 2019
- Author: Cesare Merlini, Olivier Roy
- Language: English
- Year: 2012
- Author: Olivier Roy
- Language: English
- Year: 2004
- Author: Olivier Roy
- Language: Italian
- Year: 2019
Is Europe Christian?
epub
- Author: Olivier Roy (Author) Cynthia Schoch (Translator)
- Language: English
- Year: 2020