Adams, S., & Powers, F. F. (1929). The psychology of language. Psychological Bulletin, 26, 241-260. doi:10.1037/h0071853. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Adams, S., & Powers, F. F. (1929). The psychology of language. Psychological Bulletin, 26, 241-260. doi:10.1037/h0071853. [FULLTEXT]