 MacKenzie points out that "the older or the more famous the unit, the larger the work—to the point where no less than five volumes and well over 2,000 pages were devoted to the doings of the 2nd Panzer Division "Das Reich"", authored by its former officer Otto Weidinger.The French author Jean-Paul Picaper, who studied the Oradour massacre perpetrated by the men of the "Das Reich", notes the tendentious nature of Weidinger's narrative