Of the Knowledge of Ourselves and of God. A Fifteenth-century Spiritual Florilegium. [An Edition of a Manuscript in Westminster Cathedral Library, Comprising a Commentary on Psalm 90 Known as "Qui Habitat", a Commentary on Psalm 91 Known as "Bonum Est", and Extracts from "Scala Perfectionis", by Walter Hylton, and Extracts from "Revelations of Divine Love" by Juliana of Norwich.] Edited by James Walsh and Eric Colledge