World Federation for Mental Health. Mental health and infant development : proceedings of the international seminar held by the World Federation for Mental Health at Chichester, England / edited by Kenneth Soddy. - 1st edition - London : Routledge & Kegan Paul, 1955. - 2 v. ; 22 cm. v. 1 (1956, 308 p.) : v. 2 (1956, 290 p.) : Subjects--Topical Terms: Child developmentMental health--Congresses