Frontmatter -- Contents -- Acknowledgements -- Introduction -- Code-switching in early English: Historical background and methodological and theoretical issues -- Beyond boundaries: Code-switching in the leases of Oswald of Worcester -- Code-switching in the later medieval English lay subsidy rolls -- Syntactic aspects of code-switching in Oxford, MS Bodley 649 -- Death, taxes and property: Some code-switching evidence from Dover, Southampton, and York -- On variation in medieval mixed-language business writing -- Multilingual discourse in the domain of religion in medieval and early modern England: A corpus approach to research on historical code-switching -- "Gadryng Togedre of Medecyne in the Partye of Cyrugie": Strategies of code-switching in the Middle English translations of Chauliac's Chirurgia Magna -- Code-switching in Langland, Chaucer and the Gawain poet: Diglossia and footing -- The visual pragmatics of code-switching in late Middle English literature -- Index of Manuscripts -- Index of Subjects and Languages