- Author: Anna Geis, Maéva Clément, Hanna Pfeifer (editors)
- Language: English
- Year: 2021
- Author: Anna Geis Lothar Brock Harald Müller (eds.)
- Language: English
- Year: 2006
- Author: Anna Geis (auth.)
- Language: German
- Year: 2005
- Author: Anna Geis Harald Müller Niklas Schörnig
- Language: English
- Year: 2013
- Author: Anna Geis Lothar Brock Harald Muller
- Language: English
- Year: 2006
- Author: Anna Geis Lothar Brock Harald Muller
- Language: English
- Year: 2006