Power, C. (2000) Secret language use at female initiation: Bounding gossiping communities. In Chris Knight and James R. Hurford and Michael Studdert-Kennedy, editors, The Evolutionary Emergence of Language: Social Function and the Origins of Linguistic Form . Cambridge: Cambridge University Press.

Power, C. (2000) Secret language use at female initiation: Bounding gossiping communities. In Chris Knight and James R. Hurford and Michael Studdert-Kennedy, editors, The Evolutionary Emergence of Language: Social Function and the Origins of Linguistic Form. Cambridge: Cambridge University Press.

Bartlett,Kazakov, The origins of syntax: from navigation to language, 2005	::
Knight,Power, Unravelling Digital Infinity, 2008	::
Knight, Language co-evolved with the rule of law, 2008	::