Here are entered works on the physical, psychological and social growth of normal infants. Works on the psychological growth and characteristics of infants are entered under Infant psychology.
Here are entered works on the structured education of children before entering kindergarten or grade 1 in elementary school. Works on activities and schooling that are intended to effect developmental changes in children from birth through elementary grade 3 are entered under Early childhood education. --subdivision Education (Preschool) under classes of persons and ethnic groups; and subdivision Study and teaching (Preschool) under names of individual corporate bodies, names of places, ethnic groups, and topical headings, e.g. Science--Study and teaching (Preschool)