Robert D. Borsley

• The nature and function of syntactic categories
• Subjects and complements in HPSG
• Modern phrase structure grammar
• Slavic in Head-Driven Phrase Structure Grammar
• Syntactic theory
• Syntax of the Celtic Languages
• Syntax-Theorie
• The Nature and Function of Syntactic Categories (Syntax and Semantics, Vol 32) (Syntax and Semantics)
• The Syntax of the Celtic languages
• The syntax of Welsh
• WELSH NEGATION AND GRAMMATICAL THEORY
• Non-transformational syntax