Rumpelhardt's book can be gotten from:
Kollmann
Muhlbach 19
D-84164 Ottering
Deutschland
tel.+ fax. 0049/873/1397879
Price : 29,50 DM + 11,00 DM post (in Europe)
No, I have never been to PRO, but that is also on my list. I was in touch with a guy that wanted to take any requests that I had, as he lived quite close to the place, but I lost contact with him.
But after Freiburg it is first on my list...
The Lubeck Blankensee book....You were looking for that one for a while, right? Did you get it second hand or new?