Zero to Three: National Center for Infants, Toddlers, and Families Extensive information about the first three years of life for parents and professionals, including developmental milestones. I Am Your ChildInformation on topics related to early development and extensive list of resources and references. The National Institute on Deafness and Other Communication DisordersInformation on hearing, speech, and language problems; checklist for monitoring development. Center for Applied LinguisticsInformation and web links on bilingualism, second language acquisition, and bilingual education. |