== Celtic == 

 Please read some of the guidlines I'm citing.  We don't want trees duplicated on various articles, because they drift apart and we end up contradicting ourselves.  We also shouldn't contradict ourselves w the infoboxes etc.  You characterize anything you don't like as "vandalism", which suggests that you don't understand what that is either.  It would also help if you read Continental Celtic, since you're edit-warring over that without understanding what it is.  I have been modifying the classifications to fit Routledge, which Glottolog judges to be a RS for such matters.  —