This new addition to Routledgea (TM)s Major Works series, Critical Concepts in Linguistics, brings together the very best and most influential scholarly research in over half a century of language-acquisition research. The collection represents and reflects the interdisciplinary nature of the field, by highlighting models and methodologies froma "and implications fora "adjacent fields such as psycholinguistics, developmental psychology, computer science, and comparative cognition. In addition, the collection steers users to the most important, as well as controversial, issues that lie at the frontier of language acquisition research. With a new introduction by the editor, comprehensive index, and a chronological table of the gathered materials, this four-volume collection provides both student and scholar alike with all the key writings on language acquisition in one convenient and authoritative reference resource