Coba jelasin Tarikh kenaikkan pangkat dari Ludwig Beck dalam bahasa melayu dong

Leutnant - 18 Ogos 1899

Oberleutnant - 17 September 1909

Hauptmann - 1 Oktober 1913

Major - 18 April 1918

Oberstleutnant - 15 November 1922

Oberst - 1 November 1927

Generalmajor - 1 Februari 1931

Generalleutnant - 1 Disember 1932

General der Artillerie - 1 Oktober 1935

Generaloberst - 1 November 1938

Barnett, Correlli (editor) Hitler's Generals , 1989, Grove Weidenfeld, New York.

Hoffmann, Peter German Resistance to Hitler, 1988, Harvard, Cambridge, Massachusetts.

Moorhouse, Roger Killing Hitler, Jonathan Cape, London, 2006,

Reynolds, Nicholas Treason was No Crime: Ludwig Beck, Chief of the German General Staff, 1975, London: Kimber, 1976, , OCLC: 2204228.

Schlabrendorff, Fabian von "Generäle gegen Hitler", Fisher Bücherei, FRG (BRD), 1959, pages 130ff and 144ff.