Training and Growth in the Development of Children, a Study of the Relative Influence of Learning and Maturation, by Arthur T. Jersild,... Assisted by Wilhelmina Bennett, Ruth Bush, Ruth Ortleb, Sylvia Bienstock. [Foreword by Lois Hayden Meek.].
Training and Growth in the Development of Children; a Study of the Relative Influence of Learning and Maturation