- Author: Werner H. Schmidt, Matthew J. O‘Connell
- Language: English
- Year: 1984
- Author: Werner H. Schmidt
- Language: German
- Year: 2013
- Author: Werner H. Schmidt
- Language: German
- Year: 2023
- Author: Werner H. Schmidt, Matthew J. O'Connell
- Language: English
- Year: 1984
- Author: Werner H. Schmidt, Matthew J. O'Connell, David J. Reimer
- Language: English
- Year: 2000
- Author: Werner H. Schmidt
- Language: German
- Year: 1979
- Author: Werner H. Schmidt
- Language: German
- Year: 1985
- Author: Werner H. Schmidt
- Language: German
- Year: 1982
- Author: Werner H. Schmidt
- Language: German
- Year: 1989
- Author: Werner H. Schmidt
- Language: German
- Year: 1995