- Author: Richard Newbold Adams
- Language: English
- Year: 1959
- Author: Richard Newbold Adams
- Language: English
- Year: 2014
- Author: Richard Newbold Adams
- Language: English
- Year: 2014
- Author: Ricardo Falla, Richard Newbold Adams, Phillip Berryman
- Language: English
- Year: 2014
- Author: Richard Newbold Adams
- Language: English
- Year: 2014
- Author: Richard Newbold Adams
- Language: Spanish