1. Unsynthetic Modes of Thinking among Adults: A Discussion of Piaget's Concepts;ABEL;Am. J. Psychol.,1932
2. Free Designs of Limited Scope as a Personality Index;ABEL;Char. & Pers.,1938
3. Relationships between Mental and Physical Growth;ABERNETHY;Soc. Research in Child Developm.,1936
4. ACKERSON, L.: Children's Behavior Problems. I. Incidence, Genetic and Intellectual Factors. Behavior Research Monog., Chicago, 1931.
5. A Study of the Growth of Language between Two and Four Years;ADAMS;J. Juv. Research,1932