Smith, M. K. (1941). Measurement of the size of general English vocabulary through the elementary grades and high school. Genetic Psychology Monographs, 24, 311-345. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)
Smith, M. K. (1941). Measurement of the size of general English vocabulary through the elementary grades and high school. Genetic Psychology Monographs, 24, 311-345. [FULLTEXT]