Franz Jalics, SJ,
Contemplative Retreat.
An Introduction to the Contemplative Way of Life and to the Jesus Prayer,
Xulon Press. Copyright by Deutsche Jesuiten. Edited for publication in the United States by Ruth A. Fox, Ph.D..

Franz Jalics, SJ,
Called to Share in HIS Life. Introduction to a Contemplative Way of Life and the Jesus Prayer (a Retreat).
Foreword by. J. Neuner, SJ. Translated by Sr Lucia Wiedenhöver OCD. Printed by St Paul`s Press, Bandra, Mumbai. Copyright: Echter Verlag. For sale in Asia and Africa.

Caraman, Philip (1990).
Ignatius Loyola: A Biography of the Founder of the Jesuits'.
San Francisco: Harper & Row.

Thomas Keating,
Open Mind, Open Heart: The Contemplative Dimension of the Gospel (1986)
ISBN 0-8264-0696-3