The Internet Archive discovers and captures web pages through many different web crawls. At any given time several distinct crawls are running, some for months, and some every day or longer. View the web archive through the Wayback Machine.
books.google.com - There are more than six thousand languages used around the world today, although linguists now estimate that by the year 2050 as many as half of those will be extinct. This beautifully designed, engagingly written reference takes us on a panoramic tour of the globe to explore this unique and endangered...http://books.google.com/books/about/One_thousand_languages.html?id=Q3tAqIU0dPsC&utm_source=gb-gplus-shareOne thousand languages