- Author: Richard Leakey Roger Lewin
- Language: Turkish
- Year: 1998
İnsanın Kökeni
pdf
- Author: Richard Leakey
- Language: Turkish
- Year: 1998
- Author: Richard Leakey Roger Lewin
- Language: Spanish
- Year: 1997
La sexta extinción
epub
- Author: Richard Leakey & Roger Lewin
- Language: Spanish
La sexta extinción
epub
- Author: Richard Leakey & Roger Lewin
- Language: Spanish
- Year: 1995
- Author: Richard Leakey
- Language: Spanish
- Year: 1986
- Author: Richard Leakey y Roger Lewin
- Language: Spanish
- Year: 1994
- Author: Richard Leakey
- Language: Italian
- Year: 1996
- Author: Richard Leakey
- Language: Portuguese
- Year: 1997
- Author: Richard Leakey
- Language: English
- Year: 1994