
- Author: John Alexander Armstrong
- Language: Turkish
- Year: 2018

- Author: John Alexander Armstrong
- Language: English
- Year: 2015

- Author: John Alexander Armstrong
- Language: Turkish
- Year: 2018

- Author: John Alexander Armstrong
- Language: English
- Year: 1978

- Author: John Alexander Armstrong
- Language: English
- Year: 1980

- Author: John Alexander Armstrong
- Language: English
- Year: 1982

- Author: John Alexander Armstrong
- Language: English
- Year: 1980