Contains 33 papers presented at the Second International Congress for the Study of Child Language held in Vancouver, Canada in 1981. Scholars representing eighteen countries presented a wide range of works on language acquisition topics from the research areas of: Prespeech; Phonology; Morphology and Syntax; Semantics; Language Development in Exceptional Children; Language and Cognition; Bilingualism; Pragmatics, Discourse and the Interaction Context...