- Author: Kunisch Hermann, Berchem Theodor, Heftrich Eckhard, Link Franz, Wolf Alois
- Language: German
- Year: 1990
- Author: Kunisch Hermann, Berchem Theodor, Heftrich Eckhard, Link Franz, Wolf Alois
- Language: German
- Year: 1986
- Author: Kunisch Hermann, Berchem Theodor, Heftrich Eckhard, Link Franz, Wolf Alois
- Language: German
- Year: 1987
- Author: Kunisch Hermann, Berchem Theodor, Heftrich Eckhard, Link Franz, Wolf Alois
- Language: German
- Year: 1988
- Author: Kunisch Hermann, Berchem Theodor, Heftrich Eckhard, Link Franz, Wolf Alois
- Language: German
- Year: 1989
- Author: Kunisch Hermann, Berchem Theodor, Link Franz
- Language: German
- Year: 1983
- Author: Kunisch Hermann, Berchem Theodor, Link Franz
- Language: German
- Year: 1984
- Author: Kunisch Hermann, Berchem Theodor, Link Franz
- Language: German
- Year: 1985
- Author: Kunisch Hermann, Berchem Theodor, Link Franz
- Language: German
- Year: 1980
- Author: Kunisch Hermann, Berchem Theodor, Link Franz
- Language: German
- Year: 1981