I'm also interested in this too, from what I've been able to determine, most of our cars from this era use the same (almost generic) weatherstrip for the window glass. I have to think that someone has it in bulk. As for the felt scraper, it's attached with staples, so it might be the same kind of deal, get it in bulk and cut it to fit, then staple away! Now, all we have to do is find the stuff!
Going to try to hit up some body and auto glass shops soon as I have some time (so that could be a few years from now!).
Mike