1. Whorf, B. L. 1956, Language, thought and reality, Cambridge, MA: MIT Press
2. Talmy, L. 1985, Lexicalization patterns: Semantic structure in lexical forms, in T. Shopen (ed.), Language typology and syntactic description, Vol. III: Grammatical categories and the lexicon, pp. 56–149. Cambridge: Cambridge University Press
3. Woodward, D. 1987, Medieval Mappaemundi, in J. B. Harley and D. Woodward (eds.), The history of cartography, Vol. I, pp. 286–370. Chicago: The University of Chicago Press
4. An experimental study of representative factors in monkeys.
5. Stassen, L. 1997, Intransitive predication (Oxford studies in typology and linguistic theory), Oxford: Clarendon Press