- Author: Margit Schröer, Rainer Simader, Erika Schärer-Santschi
- Language: German
- Year: 2023
- Author: Sylvia Brathuhn, Erika Schärer-Santschi, Rainer Simader
- Language: German
- Year: 2022
- Author: Erika Schärer-Santschi, Diana Staudacher, Sylvia Brathuhn
- Language: German
- Year: 2020
- Author: Erika Schärer-Santschi, Sylvia Brathuhn
- Language: German
- Year: 2021
- Author: Margit Schröer, Erika Schärer-Santschi
- Language: German
- Year: 2021