Developmental Psychology Monograph Nr.6 1969

Syntactic Maturity in Schoolchildren Adults Nr.134 1970

Cognitive Synthesis in Negro and White Children Nr.135 1970

Growth of head, Face,Trunk, and Limbs in Philadelphia white and Negro Chlidren of Elementary and High School Age Nr.136 1970

The Effects of Obstetrical Medication on Fetus and Infant Nr.137 1970

Recollections of childhood A Study of the Retrospective Method Nr.138 1970

The Role of Syntax in children's Comprehesion from Ages Six to Twelve Nr.139 1970

Physical Growth and Body Composition: Nr.140 1970

Learning and Cognitive Development Nr.141 1970

Newborn and Preschooler: Nr.142 1971

Sentence Repetition Nr.143 1971

Learning Disorders in children Nr.144 1971