* Musicnotes: Musicnotes.com has a large collection of sheet music for Joanna Newsom, including songs from her albums "Ys," "Have One on Me," and "Divers."
* Hal Leonard: Hal Leonard is another major music publisher that has a number of Joanna Newsom sheet music titles available.
* Joanna Newsom's official website: Joanna Newsom's official website sometimes offers sheet music for her songs as part of her merch store.
* Online forums and communities: There are also online forums and communities dedicated to Joanna Newsom's music where you may be able to find user-created sheet music or transcriptions.