Papers from a 1990 Dutch colloquium on immigrant language varieties in Europe are presented in four categories: (1) use of immigrant language varieties in Europe; (2) first language acquisition in a second language context; (3) code-switching; and (4) language maintenance and loss. Papers include: "Sweden Finnish" (Jarmo Lainio); "South Asian Languages in Britain" (Safder Alladina); "A Bilingual Perspective on Turkish and Moroccan Children and Adults in the Netherlands" (Guus Extra, Ludo Verhoeven); "Croatian or Serbian as a Diaspora Language in Western Europe" (Andrina Pavlinic); "Turkish Language Development in Germany" (Carol Pfaff); "Turkish Language Development in the Netherlands" (Anneli Schaufeli); "Summative Assessment of Ethnic Group Language Proficiency" (Jeroen Aarssen, Jan Jaap de Ruiter, Ludo Verhoeven); "Parental Attitudes towards Child Bilingualism in the Nordic Countries" (Sirkku Latomaa); "Code-Copying in Immigrant Turkish" (Lars Johanson); "Turkish-Dutch Code-Switching and the Frame-Process Model" (Ad Backus); "Code-switching and Borrowing in an Arabic-Dutch Context" (Jacomine Nortier); "Finns and Americans in Sweden: Patterns of Linguistic Incorporation from Swedish" (Paula Andersson); "Immigrant Minority Languages and Education in Sweden" (Sally Boyd); "Romani at the Crossroads" (Donald Kenrick); "Methodological Issues in Language Shift Research" (Koen Jaspaert, Sjaak Kroon); and "Lexical Aspects of Language Attrition and Shift" (Kees de Bot, Bert Weltens). (MSE)