Kopper, Christopher (April 1998). "Banking in National Socialist Germany, 1933–39". Financial History Review. 5 (1): 59. doi:10.1017/S0968565000001414.
Kopper, Christopher (April 1998). "Banking in National Socialist Germany, 1933–39". Financial History Review. 5 (1): 60. doi:10.1017/S0968565000001414.