Evans, The Coming of the Third Reich, 184-5.

«Memorandum by the Ambassador in Italy (20 January 1936)», in John W. Wheeler-Bennett et al. (eds.), Documents on German Foreign Policy 1918 — 1945 (13 vols., London, 1950-70), series С, IV: The Third Reich: First Phase (London, 1962), 1013-16.