At least some content in this article is derived from information featured in Fantastic Beasts: Cases from the Wizarding World. Spoilers will be present within the article.
- Sage Bragnam: "Mathilda, your 'WW' is one Winifred Whittle, the founder of WHIFF!… The Witches' Holistic Institute for Friends of Fairies."
- Mathilda Grimblehawk: "And this is a… well-known organisation?"
- Sage Bragnam: "Actually, I believe Winifred and I are the only members."
- — Sage Bragnam to Mathilda Grimblehawk, after analysing Winifred Whittle's journal[src]
- Fantastic Beasts: Cases from the Wizarding World (Mentioned only)