Fishman, J. A. (1960). A systematization of the Whorfian hypothesis. Behavioral Science, 5, 323-339. doi:10.1002/bs.3830050407. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Fishman, J. A. (1960). A systematization of the Whorfian hypothesis. Behavioral Science, 5, 323-339. doi:10.1002/bs.3830050407. [FULLTEXT]