1. Abney, Steve (1987) The English Noun Phrase in Its Sentential Aspects, Doctoral dissertation, MIT.
2. Bolinger, Dwight (1977) “Neutrality, Norm, and Bias,” reproduced by the Indiana University Linguistics Club.
3. Bowers, John (1975) “Adjectives and Adverbs in English,” Foundations of Language 13, 529-562.
4. Bowers, John (1987) “Extended X-Bar Theory, the ECP and the Left Branch Condition,” WCCFL 6, 47-62.
5. Brame, Michael (1982) “The Head-Selector Theory of Lexical Specifications and the Nonexistence of Coarse Categories,” Linguistic Analysis 10, 321-325.