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 - Explore common challenges and experiences that unite the human past and identify key global patterns over time with THE ESSENTIAL WORLD HISTORY, 6e. This brief overview of world history covers political, economic, social, religious, intellectual, cultural, and military history integrated into a chronologically...http://books.google.com/books/about/The_Essential_World_History.html?hl=sl&id=UJpI18JaEL0C&utm_source=gb-gplus-shareThe Essential World History
