Modules of any edition that include Fey creatures?

[Pinjata]

What the title says - from your memory, can you give me any D&D modules that have fey creatures in them or deal with fey specifically?

thanks

[Ninja_Prawn]

I'm not a big one for modules, but I have used the 4e module Winter of the Witch as a reference for some 5e homebrew. That's the only one I know of off-hand.

[Khedrac]

I think it fair to argue that O2 Blade of Vengance dealt with the Fey.

Pretty much the entirity of PC1: Tall Tales of the Wee Folk covered the fey, but it was not a module but a mini campaign setting.