Chotlos, J. W. (1944). A statistical and comparative analysis of individual written language samples. Psychological Monographs, 56, 77-111. doi:10.1037/h0093511. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Chotlos, J. W. (1944). A statistical and comparative analysis of individual written language samples. Psychological Monographs, 56, 77-111. doi:10.1037/h0093511. [FULLTEXT]