https://www.dailymail.co.uk/tvshowbiz/article-8852721/Lily-Collins-wishes-English-accent.html
https://www.britishcouncil.org/voices-magazine/uk-accents-not-what-you-say-how-you-say-it
https://abagond.wordpress.com/2008/06/18/received-pronunciation/
http://www.classicbond.com/forum/viewtopic.php?t=2405