I really am pretty ignorant regarding the works of W.Sh. ..
if they are of him...heard those doubt before and today I read about it again...newspaper online...some researcher is once again "certain"...whatever
here's a link to some basic knowledge about the origin of the Shakespear-stuff
What amuses me though is, that they make the same fuss about all the parts of the Bible, whether they are apocryptical or not...if so..who's the real author and all that blah, blah...as if you could solve that...finding final evidence about events of the past.