Otis, A. S. (1920). Do we think in words? Psychological Review, 27, 399-419. doi:10.1037/h0072387. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Otis, A. S. (1920). Do we think in words? Psychological Review, 27, 399-419. doi:10.1037/h0072387. [FULLTEXT]