Piers Brendon, The Dark Valley: A Panorama of the 1930s (London, 2000), 62-5.
574
Charles H. Feinstein et al, The European Economy between the Wars (Oxford 1997), 95-9; Theo Balderston, The Origins and Course of the German Economic Crisis, 1923–1932 (Berlin, 1993); Balderston, Economics, 77–99.
