Omparison of the three plays in the Oedipus Trilogy in regards to the function of the chorus and how the character of Creon is presented in the plays

Read all three plays in the Oedipus trilogy (Oedipus the King, Oedipus at Colonus, and Antigone) and compare:
how the chorus functions and how the character of Creon is presented in the plays

Keep in mind the the purpose of comparison is to illuminate, to shed new light on the work(s) by considering relationships.

Electronic sources should come from academic sites only; the internet can help in compiling bibliography, but do not rely on it to provide all the scholarly material appropriate for this project. Sources from books or scholarly journals are needed.

Wikipedia, Sparknotes, etc. are not appropriate scholarly sources.

Half a page more or less is accepted. The works cited and the title page do not count in the 8 pages.