File: 31002.2
Bulletins No.1-13 (edited in Mülheim / Ruhr) 1947-49. [No.8 missing] Bulletins No.1-2 (edited in Berlin) 1950. Bulletins 4 unnumbered issues (edited in Braunschweig and Mülheim / Ruhr 1950-1951 Bulletins No.1-23 (edited in Mülheim / Ruhr, Braunschweig Stade) 1951-54.
Period: 1947 – 1954