Roos, Julia (September 2009). "Women's Rights, Nationalist Anxiety, and the 'Moral' Agenda in the Early Weimar Republic: Revisiting the 'Black Horror' Campaign against France's African Occupation Troops". Central European History. 42 (3): 473–508. doi:10.1017/S0008938909990069. S2CID145701088.
Roos, Julia (September 2009). "Women's Rights, Nationalist Anxiety, and the 'Moral' Agenda in the Early Weimar Republic: Revisiting the 'Black Horror' Campaign against France's African Occupation Troops". Central European History. 42 (3): 473–508. doi:10.1017/S0008938909990069. S2CID145701088.