| 2000 | - | The evolution of speech: a comparative review - Fitch | :: | 15 |
| 2002 | - | On the nature and evolution of the neural bases of human language - Lieberman | :: | 4 |
| 2002 | - | Comparative Vocal Production and the Evolution of Speech: Reinterpreting the Descent of the Larynx - Fitch | :: | 3 |