Internet Archive Wayback Machine (2000-2011)
http://web.archive.org/web/*/http://www.subfrequenz.net (http://web.archive.org/web/*/http://www.subfrequenz.net)
Internet Archive Wayback Machine (ab 2012)
http://web.archive.org/web/*/http://www.subf.net/ (http://web.archive.org/web/*/http://www.subf.net/)
http://archive.is/www.subf.net