Mackay, John Alexander Ecumenics; the science of the church universal [by] John A. Mackay - Englewood Cliffs, N.J Prentice-Hall [1964] - ix, 294 p. ; 24 cm Bibliography: p. 267-288 ISBN: 9781439194027 ISSN: 64022800 Subjects--Topical Terms: Church Dewey Class. No.: 260 MAC