• (2018) Plato and Aristotle: Crash Course History of Science #3 by CrashCourse; YouTube
https://www.youtube.com/watch?v=rh0fxJkvL44
• (2014) Greek Philosophy in 10 Minutes by Learn it in 10; YouTube
https://www.youtube.com/watch?v=EQW_NOJuJ9U
• Classical Greek Philosophy; Lumen Learning
https://courses.lumenlearning.com/atd-herkimer-westerncivilization/chapter/classical-greek-philosophy/
• Ancient Greek Philosophy: Internet Encyclopedia of Philosophy
https://iep.utm.edu/greekphi/