John Locke at the Stanford Encyclopedia of Philosophy
http://plato.stanford.edu/entries/locke/
Entry on John Locke's life and works at the Stanford Encyclopedia of Philosophy.
Locke's Political Philosophy
http://plato.stanford.edu/entries/locke-political/#Pro
Discussion of John Locke's political philosophy at the Stanford Encyclopedia of Philosophy.
John Locke
http://mind.ucsd.edu/syllabi/99_00/Empiricism/Readings/Encyc_Phil/Locke.html
Biography, discussion of works, and bibliography on John Locke. Lengthy but helpful.
John Locke Resources
http://www.libraries.psu.edu/tas/locke/index.html
Portal with access to a John Locke chronology, extremely comprehensive bibliography, manuscripts, texts, and the academic journal Locke Studies.
John Locke at EpistemeLinks
http://www.epistemelinks.com/Main/Philosophers.aspx?PhilCode=Lock
Brief entry and other relevant links to John Locke at the philosophy webpage EpistemeLinks.
Political Philosophy of John Locke at the Internet Encyclopedia of Philosophy
http://www.iep.utm.edu/locke-po/
Thorough and readable discussion of John Locke's life, works, and critical interpretation of the works.
ProjectGutenberg's e-text of John Locke's "Second Treatise of Government"
http://www.gutenberg.org/files/7370/7370-h/7370-h.htm
The complete e-text.