books.google.com - It is commonly agreed by linguists and anthropologists that the majority of languages spoken now around the globe will likely disappear within our lifetime. The phenomenon known as language death has started to accelerate as the world has grown smaller. This extinction of languages, and the knowledge...http://books.google.com/books/about/When_Languages_Die_The_Extinction_of_the.html?id=E1Q2Pyq8-rQC&utm_source=gb-gplus-shareWhen Languages Die : The Extinction of the World's Languages and the Erosion of Human Knowledge