INTRODUCTION The "Historia Calamitatum" of Peter Abélard is one of those human documents, out of the very heart of the Middle Ages, that illuminates by the glow of its ardour a shadowy period that has been made even more dusky and incomprehensible by unsympathetic commentators and the ill-digested matter of "source-books." Like the "Confessions" of St. Augustine it is an authentic revelation of personality and, like the latter, it seems... more...