The text to this speech along with a short audio segment of the original from Hitler himself, is found here: The Mein Kampf Project at Christogenea.org: Adolf Hitler – speech in the Löwenbräukeller (...no more Churchill)

Notice:

Adolf Hitler's closing speech at the NSDAP congress in Nuremberg, September 12th, 1938. For the text of the speech see http://der-fuehrer.org/reden/english/38-09-12.htm.

Adolf Hitler's speech in Danzig of September 19th, 1939

Also cited for this program was the assessment of the so-called Treaty of Versailles by Richard Fuller and The Unknown History of the 1939 German-Polish Conflict - A Brief Synopsis by W. R. (name withheld)