- Author: Theodor Richardson, Charles Thies
- Language: English
- Year: 2012
- Author: Brian Moriarty Bernd Held Theodor Richardson
- Language: English
- Year: 2022
- Author: Bernd Held Brian Moriarty Theodor Richardson
- Language: English
- Year: 2019
- Author: Bernd Held Brian Moriarty and Theodor Richardson
- Language: English
- Year: 2019
- Author: Bernd Held Brian Moriarty Theodor Richardson
- Language: English
- Year: 2019
- Author: Theodor Richardson
- Language: English
- Year: 2014
- Author: Theodor Richardson Charles Thies
- Language: English
- Year: 2015