Single-Word Usage, Cognitive Development, and the Beginnings of Combinatorial Speech: A study of ten English-speaking children

Acknowledgements 1. Earlier work on the origins of language 2. The present research as it relates to earlier work 3. Design and procedures for the present study 4. The patterns of psycholinguistic and sensory-motor abilities 5. Toward a theory of single-word usage Appendices A - D References Index.