- Author: Ewald Standop (editor)
- Language: German
- Year: 2005
- Author: Ewald Baatz
- Language: German
- Year: 1941
- Author: Ewald Gerfeldt
- Language: German
- Year: 1951
- Author: Ewald Schuldt, Manfred Jährig
- Language: German
- Year: 1986
- Author: Ewald Birr
- Language: German
- Year: 1993
- Author: Ewald Jammers (editor)
- Language: German
- Year: 1963
- Author: Ewald Reinhardt
- Language: German
- Year: 1913
- Author: Ewald Grothe
- Language: German
- Year: 2005
- Author: Prof. Dr. Ewald
- Language: German
- Year: 1905