Atomism: S. Marc Cohen's lecture notes on Democritus, considering this thinker in the broader context of Presocratic and Socratic thought.
Democritus: Article by J.J. O'Connor and E.F. Robertson, from the MacTutor History of Mathematics Archive. Emphasizes this philosopher's work in physics and geometry.
Democritus: Article from the Internet Encyclopedia of Philosophy, summarizing this thinker's life and teachings.
Democritus: Article from the Wikipedia openly-edited encyclopedia.
Democritus of Abdera: An short introduction to this ancient atomistic thinker.
Drury University - Democritus: Brief discussion of Democritus' ideas.
Works of Democritus: This classical Greek thinker's fragments, arranged by subject. Adapted from the 1948 Freeman translation.