Churchill added further fuel to the controversy in the second volume of his war memoirs by contending that the initiative for the order came from Rundstedt and not Hitler and citing as evidence the war diaries of Rundstedt’s own headquarters. In the maze of conflicting and contradictory testimony it has been difficult to ascertain the facts. In the course of preparing this chapter the author wrote General Halder himself for further elucidation and promptly received a courteous and detailed reply.