O'Brien, John Anthony Steps to Christian unity edited by John A. O'Brien. - Garden City, N.Y. Doubleday 1964. - 321 p. 22 cm. LCCN: 64019310 Subjects--Topical Terms: Christian union--Collections. LC Class. No.: BX8.2.A1 / O2 Dewey Class. No.: 280.1082