How to restore default Mountain Lion font distribution? Deleting windows font which were copied from my bootcamp partition

I'd like to clean the installed font list because there might be a lot to deactivate by hand.

Is there a way to confirm which fonts do not originate from a Mountain Lion default installation?
Starting in Lion, Apple added a Restore Standard Fonts… command to Font Book. Open Font Book and choose File &gt; Restore Standard Fonts…: