- Author: Richard Leakey Roger Lewin
- Language: Turkish
- Year: 1998
- Author: Roger Lewin
- Language: Turkish
- Year: 2008
- Author: Richard Leakey Roger Lewin
- Language: Spanish
- Year: 1997
Fajunk eredete
pdf
- Author: Richard E. Leakey Roger Lewin
- Language: Hungarian
- Year: 1986
Nuestros orígenes
epub
- Author: Richerd Leakey & Roger Lewin
- Language: Spanish
- Year: 2012
La sexta extinción
epub
- Author: Richard Leakey & Roger Lewin
- Language: Spanish
Complejidad
epub
- Author: Roger Lewin
- Language: Spanish
- Year: 1992
La sexta extinción
epub
- Author: Richard Leakey & Roger Lewin
- Language: Spanish
- Year: 1995
- Author: Richard Leakey y Roger Lewin
- Language: Spanish
- Year: 1994
- Author: Roger Lewin
- Language: English
- Year: 2004