Hey folklore-lovers! In doing research for our games, I thought it might be useful to share useful any useful resources we came across. 

Going first, I found this livestream WorldAnvil recently put up, interviewing a professor on anglo-saxon folklore and mythology. It isn't super specific to just England though, and she has some interesting insights into why people share and create folklore that I think might be more broadly useful. Take a look, hope it helps! https://www.twitch.tv/videos/400653592

About Brazilian Folklore:

These guys talked about a few ghost stories from Ancient China, and they have more Chinese folklore videos on their channel:

Here's an essay about historical role playing games and history of "worldbuilding"

http://bardichesandbathhouses.blogspot.com/2019/01/mimetic-worldbuilding-historical.html

It's not exactly research, but I think it will provide a lot of ideas to chew on for people who are, like us, engaged with writing games which is some way represent traditions of behavior, story, and belief which exist/existed in reality