| Christiansen,Chater, Language as shaped by the brain, 2008 | :: | 5 |
| Christiansen,Kirby, Language Evolution: Consensus and Controversies, 2003 | :: | 14 |
| Fitch, The Evolution of Language: A Comparative Review, 2005 | :: | 2 |
| Ribeiro,Loula,Araujo,Gudwin,Queiroz, Symbols are not uniquely human, 2007 | :: | 1 |
| Smith, The protolanguage debate: bridging the gap?, 2006 | :: | 2 |
| Szamado,Szathmary, Selective scenarios for the emergence of natural language, 2006 | :: | 1 |
| Zuidema, The Major Transitions in the Evolution of Language, 2005 | :: | 2 |