Paradise Lost - HTML, one book per file. Also available in Microsoft Reader format. At Christian Classics Ethereal Library. - http://www.ccel.org/m/milton/lost/paradise_lost.html
Paradise Lost (1667) - From the Electronic Text Center, University of Virginia Library. - http://etext.lib.virginia.edu/toc/modeng/public/MilPL67.html
Paradise Lost Study Guide - Complete poem, essays, summaries, and bible references. - http://www.paradiselost.org/
Criticism on Paradise Lost - "Uxoriousness and the Expansion of Genesis in John Milton's Paradise Lost": an original critical paper presented at the Southwestern Conference on Christianity and Literature. - http://www.literatureclassics.com/ancientpaths/effiminate.html
Paradise Lost by John Milton - HTML etext, with search feature and brief plot synopsis. - http://www.online-literature.com/milton/paradiselost/
ClassicNotes: Paradise Lost - Full summary and analysis of Milton's Paradise Lost written by Harvard students. Also includes a biography, message board, and background information. - http://www.classicnote.com/ClassicNotes/Titles/paradiselost/
Tabula Rasa: Paradise Lost - Article about Milton and the writing of Paradise Lost. - http://www.tabula-rasa.info/DarkAges/ParadiseLost.html