Processing English with a Generalized Phrase Structure Grammar. - Jean Mark Gawron; Jonathan King; John Lamping; Egon E. Loebner; E. Anne Paulson; Geoffrey K. Pullum; Ivan A. Sag; Thomas Wasow (ACL, 1982)

Computational realization of a generalized phrase structure grammar: University of Sussex, England. - Gerald Gazdar; Ewan Klein; Geoffrey K. Pullum; Ivan A. Sag; Henry Thompson (SIGART Newsl., 1982)

Context-Freeness and the Computer Processing of Human Languages. - Geoffrey K. Pullum (ACL, 1983)

Syntactic And Semantic Parsability. - Geoffrey K. Pullum (COLING, 1984)

On Two Recent Attempts to Show that English is Not a CFL. - Geoffrey K. Pullum (Comput. Linguistics, 1984)

Computationally Relavant Properties of Natural Languages and Thier Grammar. - Gerald Gazdar; Geoffrey K. Pullum (New Gener. Comput., 1985)

Natural Language Interfaces and Strategic Computing. - Geoffrey K. Pullum (AI Soc., 1987)

Category Structures. - Gerald Gazdar; Geoffrey K. Pullum; Robert Carpenter; Ewan Klein; Thomas E. Hukari; Robert D. Levine (Comput. Linguistics, 1988)

On the Distinction between Model-Theoretic and Generative-Enumerative Syntactic Frameworks. - Geoffrey K. Pullum; Barbara C. Scholz (LACL, 2001)

Tree Adjoining Grammars: Formalisms, Linguistic Analysis and Processing edited by Anne Abeillé and Owen Rambow. - Geoffrey K. Pullum (Comput. Linguistics, 2002)

Creation Myths of Generative Grammar and the Mathematics of SyntacticStructures. - Geoffrey K. Pullum (MOL, 2009)

On the Mathematical Foundations of Syntactic Structures. - Geoffrey K. Pullum (J. Log. Lang. Inf., 2011)

Aural Pattern Recognition Experiments and the Subregular Hierarchy. - James Rogers; Geoffrey K. Pullum (J. Log. Lang. Inf., 2011)