I-IV -- Contents -- Introduction: On "internal" and "external" in syntactic change -- Syntactic change and borrowing: The case of the accusative-and-infinitive construction in English -- External triggers and internal guidance in syntactic development: Coordinating conjunction -- Do and tun: A semantics and varieties based approach to syntactic change -- Sentence connection as an expression of medieval principles of representation -- Grammatical variation and divergence in Vernacular Black English -- Internal and external factors in syntactic change in an historical speech community -- Counterfactual may have -- Changes in subject marking in Japanese -- Relative clauses in Tok Pisin: Is there a natural pathway? -- The pairing of structure and function in syntactic development -- The history of subordinating conjunctions in some Romance languages -- Internal and external factors in the stabilization of verb-last order in Dutch infinitive clauses -- Word order change by grammaticalization -- On the role of prosodic features in syntactic change -- Discourse and diachrony: The rise and fall of Old French SI -- Subject index -- 483-486