
- Author: Robert Conrad
- Language: English
- Year: 2020

- Author: Robert Conrad
- Language: Portuguese
- Year: 1975

- Author: Robert Conrad
- Language: Portuguese
- Year: 1975

- Author: Robert Conrad
- Language: Portuguese
- Year: 1975

- Author: Robert Conrad
- Language: Portuguese
- Year: 1975

- Author: Robert Conrad Kepas Wogiga
- Language: English
- Year: 1991