Plus, Raoul. How to Pray Always : Principles and Practices for Attaining to Union with God / by Raoul Plus, S. J., translated by Irene Hernaman. - London : Burns & Oates, 1926. - viii, 99 p. "First printed in 1926. Reprinted ... 1942." Subjects--Topical Terms: Prayer Dewey Class. No.: 248.32 / PLU