Ferre, Nels F. S. Strengthening the spiritual life / by Nels F. S. Ferre. - New York, NY : Harper and Brothers Publishers, c1951. - 630p. ; 20 cm. LCCN: Acc#36334 Subjects--Topical Terms: SPIRITUAL LIFE--CHRISTIANITY LC Class. No.: BV 4501 / F41 1951