Empedocles: Fragments and Commentary  
   From the Hanover Historical Texts Project. Arthur Fairbanks translations of the fragments of Empedocles.
   http://history.hanover.edu/texts/presoc/emp.htm

Empedocles of Agrigentum at Peithô's Web  
   Includes the Leonard translation of the Empedocles' fragments alongside the original Greek, as well as the Life of Empedocles from Diogenes Laertius.
   http://classicpersuasion.org/pw/empedocles/

The Structure of Empedocles' Fragment 17  
   A 2000 paper by Simon Trepanier. An intensive study of this, the longest and most illuminating of Empedocles' fragments.
   http://www.humboldt.edu/~essays/paper1.html

Empedocles of Acragas  
   Biographical article by J J O'Connor and E F Robertson. Includes glossary and links to biographies of related thinkers.
   http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Empedocles.html

Empedocles  
   Lecture notes by S. Marc Cohen, presenting Empedocles as part of the pluralistic response to Parmenides' teachings.
   http://faculty.washington.edu/smcohen/320/emped.htm

Cosmos of the Ancients: Empedocles  
   Short article by Stephen Stenudd reviewing the cosmological aspects of Empedocles' writings, and Aristotle's reaction to them.
   http://www.stenudd.com/myth/greek/empedocles.htm

An Empedocles Bibliography  
   A list of writings about this thinker in various European languages.
   http://www.presocratics.org/empedocles.htm