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Godfrey
http://www.malleusmaleficarum.org/part_I/notes/n0003.html
Brief footnote on this noted Scholastic thinker.
Godfrey of Fontaines
http://plato.stanford.edu/entries/godfrey/
Stanford Encyclopedia of Philosophy article on this medieval scholar, by John Wippel.
Godfrey of Fontaines
http://www.newadvent.org/cathen/06626a.htm
Catholic Encyclopedia article by P. Coffey.