Partial Contents: Medieval Philosophies; Historical Influences and the Life of Ruysbroeck; External Politics; Church in the Fourteenth Century; Deviations from Piety; Youth of Ruysbroeck; Ruysbroeck's Ministry; Conversion; Monastic life of Ruysbroeck; Literary Activity; Last Years; Exposition of the Doctrine of Ruysbroeck; Scholasticism; Neoplatonism; Originality and Influence of Ruysbroeck.