Anderson, S. R., & Lightfoot, D. W. (2002). The language organ. Cambridge, MA: Cambridge University Press.

Bates, E., & Goodman, J. C. (2001). On the inseparability of grammar and the lexicon: evidence from acquisition. In M. Tomasello & Bates, E. (Eds.), Language development: the essential readings (pp. 134--162). Oxford: Blackwell.

Clark, E. V. (2003). First language acquisition. Cambridge, MA: Cambridge University Press.

Fried, M., & Östman, J. (Eds.) (2004). Constructional approaches to language. Amsterdam, Philadelphia: John Benjamins Pub.

Gong, T., & Wang, W. S-Y. (2005). Computational modeling on language emergence: a coevolution model of lexicon, syntax and social structure. Language and Linguistics, 6(1), 1--41.

Gong, T., Minett, J. W., Ke, J-Y., Holland, J. H., & Wang, W. S-Y. (2005). A computational model of the coevolution of lexicon and syntax. Complexity, 10(6), 50--62.

Hauser, M. D. (1996). The evolution of communication. Cambridge, MA: MIT Press.

Hockett, C. F. (1960). The origin of speech. Scientific American, 203, 88--96.

Jacob, F. (1977). Evolution and tinkering. Science, 196(4295), 1161--1166.

Knight, C., Studdert-Kennedy, M., & Hurford, J. R. (Eds.) (2000). The evolutionary emergence of language: social function and the origins of linguistic form. Oxford, UK: Oxford University Press.

Minett, J. W., & Wang, W. S-Y. (Eds.) (2005). Language acquisition, change and emergence. Hong Kong: City University of Hong Kong Press.

O'Grady, W. (2005). Syntactic carpentry: an emergentist approach to syntax. Mahwah, NJ.: Erlbaum.

Oller, D. K., & Griebel, U. (Eds.) (2004). Evolution of communication systems: a comparative approach. Cambridge, MA: MIT Press.

Smith, K., Kirby, S., & Brighton, H. (2003). Iterative learning: a framework for the emergence of language. Artificial Life, 9(4), 371--386.

Steels, L. (2004). Constructivist development of grounded construction grammar. In D. Scott, W. Daelemans & Walker M. (Eds.), Proceedings annual meeting association for computational linguistic conference (pp.9--16).

Tomasello, M. (2003). Constructing a language: A usage-based theory of language acquisition. Cambridge, MA: Harvard University Press.

Vogt, P. (2005). The emergence of compositional structures in perceptually grounded language games. Artificial Intelligence, 167(1--2), 206--242.