Archived versions: 2011 http://web.archive.org/web/20110217082656/http://michaelzimmer.org/2011/02/15/facebook-data-of-1-2-million-users-from-2005-released/ h

Archived versions: 2011 http://web.archive.org/web/20110217082656/http://michaelzimmer.org/2011/02/15/facebook-data-of-1-2-million-users-from-2005-released/ http://web.archive.org/web/20110217082656/http://michaelzimm... 2018 http://web.archive.org/web/20180322184527/http://www.michaelzimmer.org/2011/02/15/facebook-data-of-1-2-million-users-from-2005-released/ http://web.archive.org/web/20180322184527/http://www.michael... Dataset: https://archive.org/details/oxford-2005-facebook-matrix https://archive.org/details/oxford-2005-facebook-matrix