"The Weimar Etudes". Columbia University Press. 13 August 2013. p. 93. (به انگلیسی)Retrieved 23 February 2016.{{cite web}}: نگهداری CS1: پست اسکریپت (link)
"Simplicissimus" and the Palestine issue: Satire's timeless appeal - Qantara.de". Qantara.de - Dialogue with the Islamic World. Retrieved 2018-11-02. With the abdication of the German emperor and the German princes following World War I, the law became invalid (the paragraph incorrectly referred to in the article did not penalize the insult of the German head of state, but the defamation of organs and representatives of foreign states; it was abolished in 2017). (به انگلیسی).
