http://www.utilitarianism.com/mill1.htm
http://www.utm.edu/research/iep/m/milljs.htm
http://www.iespana.es/jocana59/sufragismo/primfemgb.htm
http://ethics.acusd.edu/Mill.html
http://www.john-stuart-mill.com
http://www.island-of-freedom.com/MILL.HTM
http://www.cpm.ll.ehime-u.ac.jp/AkamacHomePage/Akamac_E-text_Links/Mill.html
http://www.lancs.ac.uk/users/philosophy/texts/Mill_ON.htm
http://www.geocities.com/alcaide_econoh/john_stuart_mill.htm