Primary sources
- A Book of Contemplation the Which is Called The Cloud of UnknowingEvelyn Underhill’s edition, with modernized spelling and an introduction, of the anonymous fourteenth-century English guide to contemplative prayer, in which God is reached by love through a “cloud of unknowing”.
- The Adornment of the Spiritual Marriage; The Sparkling Stone; The Book of Supreme TruthThree of Ruusbroec’s major works in English: The Spiritual Espousals, The Sparkling Stone and The Little Book of Clarification, translated from the Flemish, edited with an introduction and notes by Evelyn Underhill.