- Author: Luigi Luca Cavalli-Sforza Walter Fred Bodmer
- Language: English
- Year: 1971
- Author: Robert R Sokal
- Language: English
- Year: 1963
- Author: Ernest M. Gifford Adriance S. Foster
- Language: English
- Year: 1989
- Author: Peter H. A. Sneath
- Language: English
- Year: 1973
- Author: Ernest M. Gifford Adriance S. Foster
- Language: English
- Year: 1989
- Author: Robert R Sokal
- Language: English
- Year: 1963
- Author: Ernest M. Gifford Adriance S. Foster
- Language: English
- Year: 1989
- Author: Peter H. A. Sneath
- Language: English
- Year: 1973