Diogenes Laërtius - Wikipedia
- Article drawing on the 1911 Britannica.
- http://en.wikipedia.org/wiki/Diogenes_La%C3%ABrtius

The Manuscripts of "The Lives and Opinions of Eminent Philosphers"
- Hicks' notes from his 1925 translation of this text.
- http://www.tertullian.org/rpearse/manuscripts/diogenes_laertius.htm

Notes on Diogenes Laertius
- A criticism of this author's reliability, based on his Life of Socrates.
- http://www.uvm.edu/~jbailly/courses/Socrates/Notes/diogenes.html

Lives of the Philosophers
- Online text of C.D. Yonge's translation.
- http://classicpersuasion.org/pw/diogenes/

Internet Encyclopedia of Philosophy: Diogenes Laertius
- Concise article on this ancient biographer.
- http://www.utm.edu/research/iep/d/dioglaer.htm