Johnson or Wittmann sometimes have Rangeliste for sale.
The Luftwaffe can be difficult.I just asked McDivitt to look for one for me but he declined.
I have used successfuly but sometimes painfully;
Bundesarchiv
Zentralnachweisstelle
52076 Aachen
Abteigarten 6
Germany
Herr Meentz.
He is an OK guy but you will have to persevere.There are new laws
in Germany
Good luck
Seiler (Yank in UK)
