Wayback Machine
http://www.archive.org/web/web.php
Browse durch 55 Milliarden Webseiten, die seit 1996 archiviert wurden.
To start surfing the Wayback, type in the web address of a site or page where you would like to start, and press enter. Then select from the archived dates available. The resulting pages point to other archived pages at as close a date as possible. Keyword searching is not currently supported.
http://archive.bibalex.org, the Internet archive at the New Library of Alexandria, Egypt, mirrors the Wayback Machine. Try your search there when you have trouble connecting to the Wayback servers.