Free State of Mecklenburg-Schwerin

梅克伦堡-什未林（英语：Free State of Mecklenburg-Schwerin）（Mecklenburg-Schwerin） 什未林 梅克伦堡-施特雷利茨（英语：Free State of Mecklenburg-Strelitz）（Mecklenburg-Strelitz） 诺伊斯特雷利茨

and Fall of the Third Reich, William L. Shirer 1959 Arthur Rosenburg, A History of The German Republic, 1936 Abraham, David The Collapse of the Weimar

Hermann, Origins of the Authoritarian Welfare State in Prussia, 1815–1870, 1995  Hennock, E. P., The Origin of the Welfare State in England and Germany