- Author: Sigmund Mowinckel, Mark E. Biddle, Mark E Biddle, Mark E Biddle
- Language: English
- Year: 2010
- Author: Sigmund Mowinckel, Mark E. Biddle, Mark E Biddle, Mark E Biddle
- Language: English
- Year: 2010
- Author: Sigmund Mowinckel
- Language: German
- Year: 1921
- Author: Sigmund Mowinckel
- Language: German
- Year: 1964
- Author: Sigmund Mowinckel
- Language: German
- Year: 1964
- Author: Sigmund Mowinckel
- Language: English
- Year: 2005