Linguistic diversity, sustainability, and the future of the past / Suzanne Romaine -- When is an 'extinct language' not extinct? / Wesley Y. Leonard -- Evaluating endangerment / M. Paul Lewis -- Endangered language varieties / Gregory R. Guy and Ana M.S. Zilles -- The linguistic negotiation of complex racialized identities by Black Appalachian speakers / Christine Mallinson -- Working at "9 to 5" Gaelic / Emily McEwan-Fujita -- Voice and biliteracy in indigenous language revitalization / Nancy H. Hornberger -- Endangering language vitality through institutional development -- Scandinavian minority language policies in transition / Leena Huss -- Language development in Eritrea / Paul D. Fallon -- Indigenous language policies in social practice / Teresa L. McCarty, Mary Eunice Romero-Little, and Ofelia Zepeda -- Heritage language education in the United States / Joy Kreeft Peyton [and others] -- Language diversity and the public interest / Walt Wolfram.