Die Hauptpunkte der Endspieltheorie (The Main Points of the Final Theory)
St. Gallen: Zollikofer & Co., 1945. Paperback. Paperback, 1945, small octavo, 48pp., illustrated in b&w. Book VG+ with mild toning and shelfwear to wrap, binding tight, previous owner's name to full-title, otherwise text clean and unmarked. No DJ. Text in German.