Some links on the Septuagint and the Christian Canon of Scripture

Why should we care about the Septuagint?

https://en.wikipedia.org/wiki/Development_of_the_Christian_biblical_canon

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

https://en.wikipedia.org/wiki/Biblical_canon

http://www.newworldencyclopedia.org/entry/Biblical_canon

https://www.logos.com/product/6487/the-first-bible-of-the-church-a-plea-for-the-septuagint

https://www.gotquestions.org/canon-of-Scripture.html