- Author: Roberts John Morris
- Language: Spanish
- Year: 2010
- Author: Roberts John Morris, Westad Odd Arne
- Language: French
- Year: 2016
- Author: Biskupic Joan, Roberts John G
- Language: English
- Year: 2019
- Author: Peter Roberts John
- Language: English
- Year: 2018
- Author: Matz Joshua, Tribe Laurence H., Roberts John Glover
- Language: English
- Year: 2014
- Author: Priscilla Roberts John Carroll
- Language: English
- Year: 2016
Amele
pdf
- Author: Roberts John R.
- Language: English
- Year: 1987
- Author: Roberts John Maddox
- Language: English
- Year: 2015
