Die Mystik im Abendland, 4 Bde., Bd.2, Entfaltung

The Varieties Of Vernacular Mysticism 13501550

The essential writings of Christian mysticism

The continuum history of apocalypticism

The Mystical Thought of Meister Eckhart

Doctors Of The Church

Christian spirituality

Apocalyptic Spirituality

The Harvest of Mysticism in Medieval Germany (The Presence of God: a History of Western Christian Mysticism)

EARLY CHRISTIAN MYSTICS

The Encyclopedia of Apocalypticism