An Introduction to comparing Categorizations of Minority Languages; S. Moskvitcheva and A. Viaut.- Part I: Comparative Approach.- Reflections on a Multidisciplinary Approach to "Minority Languages" as a Legal Object in Europe: the Categorization of Regional and Minority Languages under the Charter; O. Dubos and V. Gusut.- Reflection on a Multidisciplinary Approach to "Minority Languages" as a Linguistic Object in Europe; A. Viaut.- The Epistemological Significance of Comparing Social and Scientific Approaches to Minority Languages in France and Spain; C. Lagarde.- Part II: Areal and Typological Configurations.- Prototypical Notions of Minority Languages in the Soviet Union and Russia: "Native Language" (rodnoj âzyk) and "National Language"(nacional'nij âzyk); S. Moskvitcheva.- The Categorization of the Languages in Ingria and the Language Loyalty of their Native Speakers; T. Agranat.- Categorization of Minor Pamir Languages in Tajikistan; L. Dodykhudoeva.- From Nominations of Socio-Ethnic Groups to Categorization of Minority Languages in China: Semantic Analysis; L. Xue.- Typology of Migration Languages and Linguistic Representations in a Bicultural Situation; A. Pascaud.- Social and political status of "non-classical" diasporas on the territory of the ex-USSR; E. Nedopekina.- Categorization of the Chuvash Language in the Chuvash Republic and Beyond; M. Kutsaeva