- Author: Cohen Leonard, Ratcliff Maurice
- Language: English
- Year: 2012
- Author: Cohen Leonard, Reynolds Anthony
- Language: English
- Year: 2010
- Author: Cohen Leonard, Ihlen Marianne, Jensen Axel, Hesthamar Kari, Goldman Helle Valborg
- Language: English
- Year: 2014
- Author: Cohen Leonard, Lerner Eric
- Language: English
- Year: 2018
- Author: Cohen Leonard, Green Roger
- Language: English
- Year: 2003
- Author: Manzano Alberto
- Language: Spanish
- Year: 2019