Sources for 5e conversions

https://www.tapatalk.com/groups/dicefreaks/kain-s-5e-monstrous-manual-t561.html
http://homebrewery.naturalcrit.com/print/Syh7y7EHW
http://tomeofhorrors.com/
https://www.reddit.com/r/UnearthedArcana/comments/7nfe9n/5e_epic_monster_updates_v9/