Baldwin, B. T., & Smith, M. E. (1925). Physical growth of two generations of one family. Journal of Heredity, 16, 243-258. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Baldwin, B. T., & Smith, M. E. (1925). Physical growth of two generations of one family. Journal of Heredity, 16, 243-258. [FULLTEXT]