Contents -- Tables and Figures -- To the Reader -- 1. Introduction -- 2. European Language Vitality Barometer - A Novel Tool For Measuring the Degree of Language Maintenance at Group Level -- 3. Apples, Oranges and Cranberries: Finno-Ugric Minorities in Europe and the Diversity of Diversities -- Map -- 4. Analysis -- 5. Implications and Recommendations: What Should We Do to Maintain Language Diversity in Europe? -- 6. Afterword: Disendangering Languages -- About the Authors -- References -- Attachment 1: ELDIA Institutions and Research Teams -- Attachment 2: ELDIA Workshops, Conferences, and Seminars -- Index