First published in 1999. This Volume collates a selection of case histories prepared in three countries by special teams, for use as teaching materials at the International Seminar on Mental Health and Infant Development, 1952. The title is designed for students of child development to better communicate with each other about problems of childcare, education, and mental health. Organized into three parts focusing on cases of British, French and American origin, these are intended to be shared by any group of students or professional workers interested in studying child development.