Ancient Greek Theatre: http://www.ancientgreece.com/s/Theatre/

Apollo: Greco-Roman Mythology: https://school.eb.com/levels/high/article/Apollo/8018

Aristotelian Concept of the Tragic Hero: https://www.jstor.org/stable/pdf/291812.pdf

Aristotle, Frye and the Theory of Tragedy

Chorus - Theatre: https://school.eb.com/levels/high/article/chorus/82360

Delphi (Oracle of): https://school.eb.com/levels/high/article/oracle/57246

Fate - Greek and Roman Mythology: https://school.eb.com/levels/high/article/Fate/33810

Fate - New World Encyclopedia: http://www.newworldencyclopedia.org/entry/Fate

Fate in the Eyes of the Greek and Roman People: https://eportfolios.roehampton.ac.uk/hsa020c132h/2017/06/30/fate-in-the-eyes-of-the-greek-and-roman-people/          

The Function of the Tragic Greek Chorus: https://www.jstor.org/stable/3207113?seq=1#metadata_info_tab_contents

The Greek Gods - Full List and Background: https://greektraveltellers.com/blog/the-greek-gods

Greek (ancient) Religion: https://school.eb.com/levels/high/article/Greek-religion/110627

Greek Mythology and Pantheon: https://online.infobase.com/HRC/Search/Details/7?articleId=237524&q=hero%2C%20%22ancient%20greek%22

Hamartia (tragic flaw) - https://school.eb.com/levels/high/article/hamartia/38999

Introduction to Tragedy: https://chs.harvard.edu/chapter/part-iii-introduction-to-tragedy/

Mythweb: www.mythweb.com/index.html

Myths to Live By (Joseph Campbell): https://billmoyers.com/content/joseph-campbell-myths-live-part-one/

The Riddle of the Sphinx: https://www.worldbook.com/behind-the-headlines/Mythic-Monday-The-Riddle-of-the-Sphinx

Seers and Oracles: http://www.sacred-texts.com/cla/gpr/gpr11.htm

Sphinx: https://mythopedia.com/topics/sphinx

Tiresias: https://school.eb.com/levels/high/article/Tiresias/72601

Tiresias: https://pantheon.org/articles/t/tiresias.html

Tragic Hero: https://www.supersummary.com/tragic-hero/

What Makes a Greek Hero? http://ancientheroes.net/blog/what-makes-a-greek-hero

Zeus: https://www.britannica.com/topic/Zeus