- Author: John R. Elting
- Language: English
- Year: 1981
- Author: John R. Elting
- Language: English
- Year: 1981
- Author: John R. Elting
- Language: English
- Year: 1991
- Author: John R. Elting
- Language: English
- Year: 1991
- Author: John R. Elting
- Language: English
- Year: 1997
- Author: John R. Elting
- Language: English
- Year: 1993
- Author: John R. Elting
- Language: English
- Year: 2000
- Author: John R. Elting
- Language: English
- Year: 1993
- Author: John R.Elting
- Language: English
- Year: 2000