| 2000 | - | Evolutionary Perspectives on Diachronic Syntax - Briscoe | :: | 17 |
| Lieberman, P. (1991) `Preadaptation, natural selection and function', Language and Communication, vol.11.1, 67-69.
| ||||
| 1999 | - | The Evolution of Language and Languages - Hurford | :: | 12 |
| Lieberman, Philip, (1991) `Preadaptation, Natural Selection and Function' Language and Communication, 11,1/2:63-65.
| ||||