O'Collins, Gerald. The tripersonal God : understanding and interpreting the Trinity / [manuscript] : by Gerald O'Collins. - New York : Paulist Press, c1999. - 234 p. ; 23 cm. Includes bibliographical references (p. 226-228) and index. ISBN: 0809138875 (paperback) LCCN: 99033448 Subjects--Corporate Names: Catholic Church--Doctrines. Subjects--Topical Terms: Trinity. LC Class. No.: BT111.2 / .O35 1999 Dewey Class. No.: 231/.044