1. Syntactic Structures, Mouton, the Hague, 1957.
2. “An overview of a theory of syntactic recognition for natural language,” MIT-AI Memo No. 531, July 1979.
3. Transition network grammars for natural language analysis
4. “Semantic interpretation: A basic framework,” In Natural Language Processing, Benjamin/Cummings, 1987, Chap. 7.
5. The Structure of a Semantic Theory