I don't feel competent talking about Bavarian dialects 
but lets go back to the original topic...
This Pauper Bible and Voynich Manuscript are a bit similar but they are similar in a a generic and not specific way. Let me explain:
- they are both on the "cheap" side, without golden ornaments and illustrated by not so good artists
- they both have "German style" (my subjective impression)
But they are not drawn by the same man. Details are different and the Pauper Bible artist is not good but still a bit better than Voynich artist.
And there is no "wow factor". No any single pair of pictures that would have some striking similarity.
But lets say they are somehow similar. So what?
Claiming that some Hartmann Schedel owned Voynich Manuscript because he owned a similar manuscript is a very long shot. And long shots are usually missed.
but lets go back to the original topic...This Pauper Bible and Voynich Manuscript are a bit similar but they are similar in a a generic and not specific way. Let me explain:
- they are both on the "cheap" side, without golden ornaments and illustrated by not so good artists
- they both have "German style" (my subjective impression)
But they are not drawn by the same man. Details are different and the Pauper Bible artist is not good but still a bit better than Voynich artist.
And there is no "wow factor". No any single pair of pictures that would have some striking similarity.
But lets say they are somehow similar. So what?
Claiming that some Hartmann Schedel owned Voynich Manuscript because he owned a similar manuscript is a very long shot. And long shots are usually missed.