Mackay, John Alexander, 1889- Christian reality & appearance [by] John A. Mackay. - Richmond, John Knox Press [1969] - 108 p. 21 cm. ISBN: 0804205108 LCCN: 69019474 Subjects--Topical Terms: Christianity--20th century. LC Class. No.: BR121.2 / .M28 Dewey Class. No.: 230