Poverty as a crucial factor in language maintenance and language death : case studies from Africa / Herman M. Batibo -- Language diversity and poverty in Africa / Matthias Brenzinger -- The impact of hegemony of English on access to and quality of education with special reference to South Africa / Neville Alexander -- Econolinguistics in the USA / John Baugh -- Where in the world is US Spanish? Creating a space of opportunity for US Latinos / Ofelia Garciá and Leah Manson -- Perpetuating inequality : language disadvantage and capability deprivation of tribal mother tongue speakers in India / Ajit K. Mohanty -- Biodiversity, linguistic diversity and poverty : some global patterns and missing links / Suzanne Romaine -- Language and poverty : measurement, determinants and policy responses / François Vaillancourt -- Losing the names : native languages, identity and the state / Peter Whiteley -- The role of the linguist in language maintenance and revitalization : documentation, training and materials development / Lenore A. Grenoble, Keren D. Rice and Norvin Richards -- Preserving digital language materials : some considerations for community initiatives / Helen Aristar Dry