Cowie, Valerie Aileen A study of the early development of mongols/ Valerie A Cowie - Oxford: Pergamon Press, 1970 - 108 p.: ill.; 23 cm. - Institute for research in to mental retardation no.1 . ISBN: £ 5.00 Subjects--Topical Terms: Mentally handicapped children--CongressesMongolismInfants--Disease--Psychiatry Dewey Class. No.: 618.9289