Cover -- Contents -- Acknowledgements -- List of Figures -- List of Tables -- Invisible Languages in Historical Sociolinguistics: A Conceptual Outline, with Examples from the German-Danish Borderlands (Nils Langer and Anna D. Havinga) -- The Celtic Languages: Visible and Invisible (Niall Ó Ciosáin) -- Mapudungun and the Contested Process of (Nation) State Building in Nineteenth-Century Chile (Joanna Crow) -- The Invisible Language of Patients from Psychiatric Hospital (Markus Schiegg) -- How a Minority Lost its Vernacular: Language Shift in Written Sources from the German-Danish Borderlands (Elin Fredsted) -- A Sociolinguistic Analysis of a National Language: Irish in the Nineteenth Century (Aidan Doyle) -- Dialect in German Literature, 1760-1930 (Jochen A. Bär) -- The Decline of the South Jutish in Angeln: A Historical Case of Transformation into the Modern Age around 1800 (Harald Wolbersen) -- Co-opting the Marginalised? Western Mission and Script Creation among the Miao in Southwest China, 1877-1915 (Joakim Enwall) -- The Visible Church and 'Invisible' Polish: Protestant and Catholic Clergy in Prussian Poland (Róisín Healy) -- Lithuanian Made 'Visible' through German Linguists: August Friedrich Pott and August Schleicher (Joan Leopold) -- The Danish Composite State and the Lost Memory of a Multilingual Culture (Steen Bo Frandsen) -- Germanising Austria: The Invisibilisation of East Upper German in Eighteenth- and Nineteenth-Century Austria (Anna D. Havinga) -- Ways of Seeing Language in Nineteenth-Century Galicia, Spain (José del Valle) -- Notes on Contributors -- Index.