John Stuart Mill - Essay about his life and thoughts from the Stanford Encyclopedia of Philosophy. With bibliography. - http://plato.stanford.edu/entries/mill/
English Utilitarians III - Third volume of this work by Leslie Stephen, covering his life and diverse aspects of his intellectual legacy. - http://socserv2.mcmaster.ca/~econ/ugcm/3ll3/mill/stephen.html
Liberty, Authority and the Negative Dialectics of J.S. Mill - Essay by Trevor Pateman on the origins of Mill's interconnected theories of liberty and authority. Emphasizes Platonic elements in Mill's thought. - http://www.selectedworks.co.uk/liberty.html
John Stuart Mill Forum Frigate - Discussion forum and live chat devoted to John Stuart Mill's life and works. - http://jollyroger.com/zz/yphilo1d/Mill,JohnStuarthall/shakespeare1.html
Study Place: J.S. Mill - Columbia University John Stuart Mill page. - http://www.ilt.columbia.edu/academic/digitexts/mill/bio_mill.html
Utilitarianism: John Stuart Mill - Biographical details of Mill, as well as online texts of his Autobiography and his works, On Liberty and Utilitarianism. - http://www.utilitarianism.com/jsmill.htm