Intellectual Sophistication and Basic Belief in God - http://www.christianitytoday.com/bc/9b4/9b4032.html A 1986 essay by Plantinga from the journal Faith and Philosophy. Explores his contention that, for some people, a theistic belief in God is properly basic rather than irrational.
Methodological Naturalism? Part I - http://www.christianitytoday.com/bc/9b4/9b4032.html First installment of a two-part article by Plantinga on science's claims of religious neutrality.
Methodological Naturalism? Part II - http://www.christianitytoday.com/bc/9b4/9b4032.html Second installment of this two-part article on the claims of science. From the journal Philosophical Analysis.
Two Dozen (Or So) Theistic Arguments - http://www.homestead.com/philofreligion/files/Theisticarguments.html Detailed lecture notes on this topic, by Plantinga.
Status Code: 301 - Location: http://philofreligion.homestead.com/files/theisticarguments.html
When Faith and Reason Clash: Evolution and the Bible - http://www.homestead.com/philofreligion/files/Theisticarguments.html A 1991 paper by Plantinga from the Christian Scholar's Review. The initial salvo of a broader exchange.