9 books
Behind the Scenes in Warring Germany (Classic Reprint)
Wilhelm Hohenzollern Co (Classic Reprint)
The Secret of the German War Office - War College Series
Behind the Scenes in Warring Germany - War College Series
The Secrets of the German War Office (Wwi Centenary Series)
Behind the Scenes in Warring Germany - The Original Classic Edition
Wilhelm Hohenzollern
Behind the Scenes in Warring Germany
Wilhelm Hohenzollern & Co.