Bethesda: National Institute of Neurological Diseases and Blindness, April 1965. Paperback. 91p., text reproduced from a keyboard-set ms, comb-bound in 11x8.5 inch plain printed blue cover sheets. Mild external edgewear with marginal toning and a fews dots of spattered ink, a handleable copy quite sound and entirely clean and unmarked within. Study of Child Growth and Development and Disease Patterns in Primitive Cultures.