Table of Contents -- Preface -- 1. Language and ethnicity in a network of ecological relations -- 2. The role of language in processes of ethnic fusion and fission -- 3. Language planning, prestige planning, and the limits of planning activities -- 4. Bilingual profiles and changing bilingual patterns - an approach to formalize bilingual identity -- 5. The adoption of foreign cultural patterns as reflected in massive contact languages -- 6. The use of foreign languages as symbols of prestige in Japan - problems of ethnic identity in modern Japanese society -- 7. Language in ethnicity: conclusions and perspectives -- Bibliography -- Subject Index -- Index of Ethnic Groups, Languages and Countries (Administrative Territories) -- Index of Names.