Introduction -- A Diachronic View of Old French Genitive Constructions -- Grammaticalization in Progress in Old French: Indefinite Aarticles -- Null Objects in Old French -- Compensatory Lengthening in Historical French: The Role of the Speaker --  Perception, Production and Markedness in Sound Change: French Velar Palatalization -- Evolution and Regrammation in the Mood System: Perspectives from Old, Middle, Renaissance and Modern French -- Analogy among French Sounds -- The Development of the Declension System -- The Diasystem and its Role in Generating Meaning: Diachronic Evidence from Old French -- Synchronic studies -- Crusaders' Old French -- The Use of the Future and Conditional in High Medieval Literature -- Old French Parataxis: Syntactic Variant or Stylistic Variation?- A Derivational Approach to Negative Polarity Item Licensing in Old French -- Theoretical  Issues  in  Old  French  Inflectional  Morpho(phono)logy -- Forms and Functions of Reported Discourse in Medieval French -- The Left-periphery in Old French -- Grammatical Meaning and the Old French Subjunctive.