Philolaus of Croton: Pythagorean and Presocratic
- A 1994 evaluation by Patricia K. Curd of this book by Carl A. Huffman. From the Bryn Mawr Classical Review.
- http://omega.cohums.ohio-state.edu/mailing_lists/BMCR-L/Mirror/1994/94.03.14.html

Wikipedia: Philolaus
- Article incorporating information from the 1911 Britannica.
- http://en.wikipedia.org/wiki/Philolaus

Notes on Anaxagoras and Philolaus
- Course notes on these contemporaries of Socrates, interpreting their ideas as reactions to the challenge posed by Parmenides and Zeno.
- http://www.gmu.edu/courses/phil/ancient/anph2.htm