Lewis, M. M. (1936). Infant speech: A study of the beginnings of language. London: Routledge & Kegan Paul. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Lewis, M. M. (1936). Infant speech: A study of the beginnings of language. London: Routledge & Kegan Paul. [FULLTEXT]