1. Spoken Here: Travels among Threatened Languages;Abley,2003
2. Language and Social Relations;Agha,2007
3. The object called ‘language’ and the subject of linguistics;Agha;J. Engl. Linguist.,2007
4. Out-of-the-ordinary ways of using language;Alpher,1993
5. Ethnobiological Classification: Principles of Categorization of Plants and Animals in Traditional Societies;Berlin,1992