Okay so this was prompted by this post and especially @honeyandincense 's addition.
Theres also this post by @breathing-in-gilded-dust thats very similar and might be of use so go show them some love.
1. Divination in ancient greece
https://repository.upenn.edu/cgi/viewcontent.cgi?article=1177&context=classics_papers
2. A breif history
http://elibrary.bsu.az/books_163/N_38.pdf
3. Google books preview of the greek magical papyri
https://books.google.co.uk/books?id=K0hCj5u3HNQC&printsec=frontcover#v=onepage&q&f=false
4. Theres often free information on museum pages thats to go along with certain exhibits
https://www.bl.uk/greek-manuscripts/articles/ancient-books
https://www.bl.uk/greek-manuscripts/articles/greek-bibles-in-antiquity
5. Oxford handbook
https://journals.openedition.org/kernos/pdf/2415
6. Function of mythology and religion
https://dc.etsu.edu/cgi/viewcontent.cgi?article=3471&context=etd
7. Female voices in hellanistic poetry
https://www.repository.cam.ac.uk/handle/1810/293017
8. Myth and gender anthenian autochthony
https://www.repository.cam.ac.uk/handle/1810/293492
9. Greek cults ( post by @buildawitch who is amazing for putting this on tumblr 💜)
https://buildawitch.tumblr.com/post/185102234372/ancient-greek-cults-book
Feel free to add your own(free or books), later on i might link a goodreads list for paid resources.