- Author: Von Carnap-Bornheim Claus, Graham-Campbell James, Vandkilde Helle
- Language: English
- Year: 2008
- Author: Scheidel Walter
- Language: English
- Year: 2019
- Author: Scheidel Walter
- Language: English
- Year: 2019
- Author: Pestell Tim, Ulmschneider Katharina
- Language: English
- Year: 2019
- Author: Graham-Campbell James, Williams Gareth
- Language: English
- Year: 2016
- Author: Gilomen Hans-Jörg
- Language: German
- Year: 2014