↑ Edmond Taylor, The fossil monarchies: the collapse of the old order, 1905–1922 (1967) p 206
↑ Jochen Streb, et al. "Technological and geographical knowledge spillover in the German empire 1877–1918", Economic History Review, May 2006, Vol. 59 Issue 2, pp. 347–373
↑ John J. Beer, The Emergence of the German Dye Industry (1959).
↑ L. Gann and Peter Duignan, The Rulers of German Africa, 1884–1914 (1977) focuses on political and economic history; Michael Perraudin and Jürgen Zimmerer, eds. German Colonialism and National Identity (2010) focuses on cultural impact in Africa and Germany.
↑ Dedering, Tilman (1993). "The German‐Herero war of 1904: Revisionism of Genocide or Imaginary Historiography?". Journal of Southern African Studies. 19 (1): 80–88. doi:10.1080/03057079308708348.
