- Author: Gisela Harras (editor), Manfred Bierwisch (editor)
- Language: German
- Year: 1997
- Author: Gisela Harras, Ulrike Haß, Gerhard Strauß
- Language: German
- Year: 1991
- Author: Gerhard Strauß, Ulrike Haß, Gisela Harras
- Language: German
- Year: 1989
- Author: Gisela Harras, Kristel Proost, Edeltraud Winkler
- Language: German
- Year: 2007
- Author: Gisela Harras
- Language: German
- Year: 1983
- Author: Gisela Harras (editor)
- Language: German
- Year: 1995
