1. Ades, Anthony E. and Mark J. Steedman: 1982, `On the Order of Words’, Linguistics and Philosophy 4, 517–558.
2. Ajdukiewicz, Kasimierz: 1935, Die syntaktische Konnexität’, Studia Philosophica 1,1–27. Translated as `Syntactic Connexion’ in Storrs McCall (ed.), Polish Logic: 1920–1939 (Oxford University Press, Oxford, 1967).
3. Bach, Emmon: 1981, `Discontinuous Constituents in Generalized Categorial Grammars, NELS 11,112.
4. Bach, Emmon: 1983a, `Generalized Categorial Grammars and the English Auxiliary’, in Frank Heny and Barry Richards (eds.), Linguistic Categories: Auxiliaries and Related Puzzles, Vol. 2, Reidel, Dordrecht, pp. 101–120.
5. Bach, Emmon- 1983b, `On the Relationship Between Word-grammar and Phrase-grammar’, Natural Language and Linguistic Theory 1, 65–80.