The Jean Piaget Society
Includes a comprehensive bibliography for students and links to professional associations, psychology search engines, journals and electronic publications, and other Piagetian resources on the Internet.

"Theories of Child Development: Building Blocks of Developmentally Appropriate Practices"
Article by Terri Jo Swim, Ph.D., on EarlyChildhood.com. Provides an overview of biological, behaviorist, cognitive, and sociocultural theories of development and explores what role these theories play for teachers.

Developmentally Appropriate Practice in Early Childhood Programs Serving Children from Birth through Age 8
NAEYC Position Statement on DAP adopted July 1996. Statement links to detailed information on principles of child development, guidelines, and policies for implementing DAP.