1. Aschbacher, M. (1980). The finite simple groups and their classification. New Haven, CT: Yale University Press.
2. Aschbacher, M. (2001). The status of the classification of the finite simple groups. Notices of the American Mathematical Society, 51, 736–740.
3. Baker, A. (2007). Is there a problem of induction for mathematics? In M. Leng, A. Paseau, & M. Potter (Eds.), Mathematical knowledge (pp. 59–73). Oxford: Oxford University Press.
4. Baker, A. (2008). Experimental mathematics. Erkenntnis, 68, 331–344.
5. Baker, A. (2009). Non-deductive methods in mathematics. Stanford Encyclopedia of Philosophy. Accessed May 2013. http://plato.stanford.edu/entries/mathematics-nondeductive/