Try using the RichFaces Paint 2D tag It exposes the Graphics2D package to the user interface. Track user drag events on the image using javascript, then post the co-ordrdinates to the backing bean to re-render the image with a drawn on selection box.
It will try to parse and extract bibliographic information from your pdfs.
You can do it with itext (lowagie.com/iText/).
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.