Whorf, B. L. (1945). Grammatical categories. Language, 21, 1-11. doi:10.2307/410199. [FULLTEXT]
A History of Psycholinguistics
Bibliography for Levelt (2013)

Whorf, B. L. (1945). Grammatical categories. Language, 21, 1-11. doi:10.2307/410199. [FULLTEXT]