Frontmatter -- Vorwort zur Reihe "Soziolinguistik und Sprachkontakt" -- Foreword to the Series "Sociolinguistics and Language Contact" -- Introduction -- Contents -- Part 1. Berlin Urban Vernacular Studies: Contributions to Sociolinguistics -- Chapter 1: Variation in a Divided Speech Community: The Urban Vernacular of Berlin / Dittmar, Norbert / Schlobinski, Peter / Wachs, Inge -- Chapter 2: The Social Significance of the Berlin Urban Vernacular / Dittmar, Norbert / Schlobinski, Peter / Wachs, Inge -- Chapter 3: Berlin Style and Register / Dittmar, Norbert / Schlobinski, Peter / Wachs, Inge -- Chapter 4: Components for an Overarching Theoretical Perspective in Sociolinguistics / Dittmar, Norbert / Schlobinski, Peter / Wachs, Inge -- Part 2 The Analysis of Urban Varieties: Some Methodological Considerations -- Chapter 5: The Unity of a Vernacular. Some Remarks on "Berliner Stadtsprache" / Klein, Wolfgang -- Chapter 6: Discourse Analysis in Sociolinguistics / Thibault, Plerette -- Chapter 7: Conceptual Problems in the Study of Regional and Cultural Style / Levinson, Stephen C. -- Chapter 8: Comments on Berlin Urban Vernacular Studies / Labrie, Normand -- Part 3. Investigations of Urban Varieties Research in Progress -- Chapter 9: Attitudes in Communication Profiles. Some Remarks on the 'Erp-Project' / Mattheier, Klaus J. -- Chapter 10: Villages and Towns in Salento: the Way Code Switching Switches / Sobrero, Alberto -- Chapter 11: Social Networks and Code-Switching: a Sociolinguistic Investigation of Italians in Montreal / Labrie, Normand -- Chapter 12: The Symbolization of Social Identity. Ethnography and Analysis of Linguistic Variation in a Project about Urban Communication in Mannheim / Kallmeyer, Werner / Keim, Inken -- Bibliography -- Contributors -- Backmatter