| 1999 | - | Possible stages in the evolution of the language capacity - Jackendoff | :: | 26 |
| 2000 | - | Language and hominid politics - Dessalles | :: | 7 |
| 2006 | - | Selective scenarios for the emergence of natural language - Szamado,Szathmary | :: | 1 |
| 2008 | - | Cost and complexity: Selection for speech and language - Locke | :: | |
| 2005 | - | Why talk: an Adaptationist Approach - Scott-Phillips | :: | |
| 2006 | - | Language: Costs and benefits of a specialised system for social information transmission - Nettle | :: |