The Spirituality of the Desert Fathers and Mothers
John Chryssavgis
Simone Weil
Pseudo-Macarius
Jean-Luc Marion
Robert K. C. Forman
Toshihiko Izutsu
Franklin Merrell-Wolff
Martin Buber
Max Scheler
Raimundo Panikkar
Franz Rosenzweig
Kallistos Ware
P. D. Ouspensky
The Fourth Dimension as the Esoteric Nature of Reality
The history and development of deificiation
Michael J. Christensen & Jeffery A. Wittung
Writings from the Philokalia on prayer of the heart