Sinking of British ships by German submarines according to a report of the American Naval Attaché at Berlin, Germany Nr. R562 dated 15 September 1939

Diary note dated Friday 8 September 1939. The American Naval Attaché asked the the German liason officer what he knew about the losses of the British shipping caused by German submarines as broadcasted by the British radio. Het got as answer that a report the same morning mentioned one ship and the day before the figure for sunk tonnage was 50,000 tons and which he called a bagatelle.

Source

National Archives. FDR Presidential Library&Museum Roosevelt PSFC000175. War diary Naval Attaché Berlin, volume 1 (1 September 1939-26 May 1940