- Author: George Lakoff Elisabeth Wehling
- Language: English
- Year: 2016
- Author: George Lakoff Elisabeth Wehling
- Language: English
- Year: 2012
- Author: Elisabeth Wehling
- Language: German
- Year: 2016
- Author: Elisabeth Wehling
- Language: German
- Author: George Lakoff, Elisabeth Wehling
- Language: English
- Year: 2012
- Author: George Lakoff, Elisabeth Wehling
- Language: English
- Year: 2012