http://ccat.sas.upenn.edu/nets/edition/
The Dead Sea Scrolls & the Septuagint https://www.youtube.com/watch?v=QuKTxfjtrm0
History of the Septuagint https://www.youtube.com/watch?v=I3f82WxIx5Q
Septuagint, Synagogue and Symbiosis: The Jews of Hellenistic Egypt - Dr Gary A Rendsburg https://www.youtube.com/watch?v=tyEZ4mewdDs