Den of Geek calls this piece Project Blue Book Easter Egg and Reference Guide but it’s really more the later than the former. To me, Easter Eggs are hidden winks for fans or nods to other bits of pop culture and that’s not really what this article is about.
What it does do is point out the relationship between each episodes plot points and the historical stories that inspired them. A good read if you’re not familiar with the lore.
Read the whole story at Den of Geek.