The Editor: Prof. Klaus J. Mattheier, born 1941, studied in Bonn and Bochum. Ph.D. 1971. Postdoctoral lecturing qualification, Bonn 1979. Professor of Germanic linguistics, Heidelberg 1980; research areas: German linguistic history of the early modern period, German dialectology, language change, sociolinguistics.

• Contents: Klaus J. Mattheier: Introductory Remarks - Paul Kerswill/Ann Williams: Mobility Versus Social Class in Dialect Levelling: Evidence from New and Old Towns in England - Edgar Radtke: The Migration Factor and the Convergence and Divergence of Southern Italian Dialects - Juan Antonio Moya Corral: Migration et changement linguistique a Grenade (Espagne) - M. Teresa Turell: More on the Interplay Between Internal and External Factors: Dialect Convergence and Divergence of Catalan - Francisco Baez de Aguilar Gonzalez: Linguistic Changes in Modern Andalusia - David Britain/Peter Trudgill: Migration, Dialect Contact, New-Dialect Formation and Reallocation - Peter Auer/Birgit Barden/Beate Grosskopf: Long-Term Linguistic Accomodation and its Sociolinguistic Interpretation: Evidence from the Inner-German Migration After the Wende - Brit Maehlum: Strategies of Neutrality in the Arctic - John Helgander: Mobility and Language Change: The Case of Upper Dalarna, Sweden - H. Scholtmeijer: Language in the Dutch Polders: Why Dialects Did Not Mix - Hendrik Boeschoten: Convergence and Divergence in Migrant Turkish - Raphael Berthele: Divergence and Convergence in a Multilectal Classroom: Patterns of Group Structure and Linguistic Conformity - Yaron Matras: Migrations and 'Replacive Convergence' as Sources of Diversity in the Dialects of Romani - John B. Trumper/G. Chiodo: A Changing Europe: The Presence Versus Absence of Drastic Events Provoking or Blocking Internal Migration and Their Possible Contribution to Linguistic Change or Conservation. Part I: Reggio Calabria.