John Scotus Eriugena - http://www.biography.com/search/article.jsp?aid=9288216 Article from the Catholic Encyclopedia by William Turner. Recounts this scholar's life and influence, and evaluates his teachings and length.
The Collected Works of Johannes Scottus Eriugena - http://www.biography.com/search/article.jsp?aid=9288216 Account of the preparation and publication of this scholar's writings as part of the Corpus Christianorum, with special emphasis on his Periphyseon.
The Mystery of God in John Scotus Eriugena - http://www.biography.com/search/article.jsp?aid=9288216 Outline of this thinker's system, in the context of early Irish spirituality.