Hallesby, Ole, 1879-1961. Prayer / by O. Hallesby; translated by Clarence J. Carlsen. - Minneapolis, Minn. : Augsburg publishing house, 1959. - 176 p. LCCN: 31034725 Subjects--Topical Terms: Prayer. LC Class. No.: BV210 BV215 BV 215 / .H34 / .H3 / .H32 Dewey Class. No.: 248