O'Neill, Nena. Open marriage a new life style for couples by Nena O'Neill & George O'Neill. - New York M. Evans [1972] - 287 p. illus. 920602 Bibliography: p. 281-287. LCCN: 75164550 Subjects--Topical Terms: Marriage. LC Class. No.: HQ728 / .O55 Dewey Class. No.: 301.42