See also:

• Society: Philosophy: History of Philosophy: Ancient: Sophism  (4)
• Society: Philosophy: Philosophers: P: Plato: Works  (49)

• In Defense of Protagoras - Essay asserting that Protagoras has been misconstrued as an individual (or absolute) relativist, and should be considered a "human relativist."
• Myth - Protagoras - Review of Protagoras' thoughts on cosmology and the myths. By Swedish author and historian of Ideas Stefan Stenudd.
• Protagoras - Internet Encyclopedia of Philosophy article by Carol Poster. Deals extensively with what we know about the life, doctrines and influence of this Sophist.
• Protagoras - Short article summarizing this thinker's thought.
• Protagoras - Brief Wikipedia article on this thinker, noting his relativistic and agnostic teachings.
• Protagoras - Two extant fragments from this thinker's teachings.