In the last three decades the field of endangered and minority languages has evolved rapidly, moving from the initial dire warnings of linguists to a swift increase in the number of organizations, funding programs, and community-based efforts dedicated to documentation, maintenance, and revitalization. Sustaining Linguistic Diversity brings together cutting-edge theoretical and empirical work from leading researchers and practitioners in the field. Together, these contributions provide a state-of-the-art overview of current work in defining, documenting, and developing the world\u27s smaller languages and language varieties. The book begins by grappling with how we define endangermentùhow languages and language varieties are best classified...