| Christiansen,Chater, Language as Shaped by the Brain, 2007 | :: | |
| Christiansen,Kirby, Language Evolution: Consensus and Controversies, 2003 | :: | 8 |
| Fitch, The Evolution of Language: A Comparative Review, 2005 | :: | |
| Smith, The protolanguage debate: bridging the gap?, 2006 | :: | |
| Szamado,Szathmary, Selective scenarios for the emergence of natural language, 2006 | :: | |
| Zuidema, The Major Transitions in the Evolution of Language, 2005 | :: | 1 |