Goddard, Cliff. Semantic Analysis, Semantic Primes and Universal Grammar. Oxford: Oxford University Press, 1998. One of the seminal works on semantic primes.

Horwich, Paul. Meaning. Oxford: Clarendon Press, 1998. http://www.oup.co.uk/isbn/0-19-823824-X.

Lakoff, George. Women, Fire and Dangerous Things. New York: Basic Books, 1990. Prototype theory: how we form categories from exemplars.

Pierce, Benjamin C. Basic Category Theory for Computer Scientists. Cambridge: Massachusetts Institute of Technology, 1993.

Taylor, John R. Linguistic Categorization: Prototypes in Linguistic Theory, Second Edition. Oxford: Clarendon Press, 1995. http://www.oup.co.uk/isbn/0-19-870012-1.

Atran, Scott. 3-Dec-01. Folk Biology and the Anthropology of Science: Cognitive Universals and Cultural Particulars. Web article: http://www.bbsonline.org/Preprints/OldArchive/bbs.atran.html. Folk biology studies the way everyday people construct their own taxonomies of living things, and what that reveals about our innate categorizing.

Goddard, Cliff. Jun-03. The Natural Semantic Metalanguage Homepage. Web article: http://www.une.edu.au/arts/LCL/disciplines/linguistics/nsmpage.htm. This is where the semantic primes of language are recorded.

Green, Stuart P. 19-Jan-01. Prototype Theory and the Classification of Offenses in a Revised Model Penal Code: A General Approach to the Special Part. Web article: http://wings.buffalo.edu/law/bclc/bclr.htm. Use of prototype theory.

Hofstede, A. H. M., Lippe, E. A Category Theory Approach to Conceptual Data Modeling. RAIRO Theoretical Informatics and Applications 30( 1): 31 79, August 1996.

Holt, Jim. Whose Idea Is It, Anyway? Lingua Franca