Rearranging the letters of 'mad Hatter' (Literary) gives:
Dream That.
(by Jim Banholzer) (2009) (pending approval)
Had matter.
(by Jim Banholzer) (2009) (pending approval)
Tread math.
(by Jim Banholzer) (2009) (pending approval)
Other related anagrams without their own page:
"English author and mathematician Charles Lutwidge Dodgson" -> "Has got on him the magical drugs that Alice used in Wonderland." (by Adie Pena using Anagram Genius) (2008) (pending approval)