Ото фон Бизмарк — разлика између измена

* Goddard, Stacie E. "When Right Makes Might: How Prussia Overturned the European Balance of Power," ''International Security,'' Volume 33, Number 3, Winter 2008/09. стр. 110–42 in [http://muse.jhu.edu/journals/international_security/v033/33.3.goddard.html Project MUSE], covers 1864–71

* {{Citation | first = Michael B | last=Gross| title = The War against Catholicism: Liberalism and the Anti-Catholic Imagination in Nineteenth-Century Germany |year=2005}}.

* -{Hennock, E. P. "Social Policy in the Bismarck Era: A Progress Report," ''German History,'' (June 2003) 21#2 pp 229–238 [http://gh.oxfordjournals.org/content/21/2/229.extract online]}-

* {{Cite book| ref=harv| last=Howard| first = Michael| title = The Franco-Prussian War: The German Invasion of France 1870 1871| url = https://books.google.com/books?id=h2wEeRuei6AC|year=1981| publisher = Taylor & Francis|isbn=978-0-203-99305-7|pages=}}