[…] to consider whether the city was in February 1945 an undefended city within the meaning of the 1907 Hague Convention, it will be necessary to examine the establishment and subsequent total dispersal of the city's flak batteries, before the date of the triple blow.
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1964, David John Cawdell Irving, The Destruction of Dresden, page 74:
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He was promoted to general of flak artillery on March 1, 1945, and ended the war as the general of the flak arm at OKL, the High Command of the Luftwaffe.
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2007, Samuel W. Mitcham, Jr., Retreat to the Reich: The German Defeat in France, 1944, footnote, page 30: