== Eksterne kilder ==
* {{SEP|presocratics|Presocratic Philosophy|Patricia Curd}}
* [http://www.philosophy.gr/presocratics/index.htm Presocratic Philosophy] {{Webarchive|url=https://web.archive.org/web/20141024161317/http://www.philosophy.gr/presocratics/index.htm |date=24. oktober 2014 }} by Giannis Stamatellos
* [http://www.philosophiesauvage.com/ Philosophie sauvage] {{Webarchive|url=https://web.archive.org/web/20190624105127/https://philosophiesauvage.com/ |date=24. juni 2019 }} af Alain Sournia
* http://www.iep.utm.edu/g/greekphi.htm#Presocratics {{Webarchive|url=https://web.archive.org/web/20090302142346/http://iep.utm.edu/g/greekphi.htm#Presocratics |date= 2. marts 2009 }}
Filosofi