Categories  
   Translation by E. M. Edghill [Internet Classics Archive]
   http://classics.mit.edu/Aristotle/categories.html

On Generation and Corruption  
   English translation by H. H. Joachim [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/gener_corr.html

On Interpretation  
   E. M. Edghill's English translation [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/interpretation.html

On Sense and the Sensible  
   English translation of Aristotle's work by J. I. Beare [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/sense.html

On Sophistical Refutations  
   Translated into English by W. A. Pickard-Cambridge [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/sophist_refut.html

On the Heavens  
   Aristotle text translated by J. L. Stocks [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/heavens.html

Politics  
   An eight-part English translation of Aristotle's Politics by Benjamin Jowett [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/politics.html

Posterior Analytics  
   English translation by G.R.G. Mure [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/posterior.html

Prior Analytics  
   A.J. Jenkinson's English translation [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/prior.html

Metaphysics  
   Translated by W. D. Ross [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/metaphysics.html

On Dreams  
   Written 350 B.C.E, translated by J. I. Beare [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/dreams.html

On Longevity and Shortness of Life  
   Written 350 B.C.E, translated by G. R. T. Ross [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/longev_short.html

On Memory and Reminiscence  
   Written 350 B.C.E, translated by J. I. Beare [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/memory.html

On Prophesying by Dreams  
   Translated by J. I. Beare [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/prophesying.html

On Sleep and Sleeplessness  
   Translated by J. I. Beare [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/sleep.html

On the Soul  
   Translated by J. A. Smith [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/soul.html

Poetics  
   Translated by S. H. Butcher [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/poetics.1.1.html

Rhetoric  
   Translated by W. Rhys Roberts [Internet Classics Archive].
   http://classics.mit.edu/Aristotle/rhetoric.html

Nicomachean Ethics  
   HTML version of the 1908 Clarendon Press translation, organized by book. [ILTweb Digital Classics].
   http://www.ilt.columbia.edu/academic/digitexts/aristotle/nicomachean_ethics/title.html

The Works of Aristotle  
   Translations of the Poetics, Rhetoric, and others. Hosted by Liberty Online.
   http://libertyonline.hypermall.com/Aristotle/Default.htm

ClassicNotes: Aristotle's Politics  
   Full summary and analysis of Aristotle's Politics written by Harvard students. Includes a biography, message board, and background information.
   http://www.classicnote.com/ClassicNotes/Titles/politics/

The Poetics of Aristotle translated by S.H. Butcher  
   Complete chapter indexed hypertext and e-text.
   http://literatureproject.com/book/aristotle/poetics/index.htm

ClassicNotes: Aristotle's Ethics  
   Full summary and analysis of Aristotle's Ethics written by Harvard students. (Part of the ClassicNote web site, a bit commercial.)
   http://www.classicnote.com/ClassicNotes/Titles/ethics/

Athenian Constitution  
   By chapter. Translated by Sir Frederic G. Kenyon, transcribed by the University of Virginia, and provided by the Avalon Project at Yale Law School.
   http://www.yale.edu/lawweb/avalon/medieval/athemain.htm

4Literature.net - Aristotle  
   Many works by Aristotle online.
   http://www.4literature.net/Aristotle/

Free Online Library: Aristotle  
   A short biography and online texts of the Categories, the Poetics, and the Politics.
   http://Aristotle.thefreelibrary.com/