'a useful reference for all medieval intellectual historians' - Parergon 'The fact-seeking undergraduate will rapidly find a clear and comprehensive account of who a thinker was, what he thought and why her mattered; the more intellectually curious general reader will find that - as with any good reference book - serendipitous inquiry will open fascinating windows on to the medieval world-view.' - Church Times'... this is a very useful, pragmatic study guide ... certainly recommendable for reference libraries.' - Mediaevistik