^"The term came into use in 1873, when the scientist and Prussian liberal statesman Rudolf Virchow declared that the battle with the Roman Catholics was assuming “the character of a great struggle in the interest of humanity.”" from Kulturkampf互联网档案馆的存檔,存档日期2007-03-12.. (2006). Britannica Concise Encyclopedia . Retrieved March 25, 2006, from Encyclopædia Britannica
^A leading German anthropologist, Rudolf Virchow, characterized Bismarck's struggle with the Catholic Church as a Kulturkampf - a fight for culture - by which Virchow meant a fight for liberal, rational principles against the dead weight of medieval traditionalism, obscurantism, and authoritarianism." from The Triumph of Civilization (页面存档备份,存于互联网档案馆) by Norman D. Livergood and "Kulturkampf \Kul*tur"kampf`\, n. (Ger. Hist.) Lit., culture war; - a name, originating with Virchow (1821 - 1902), given to a struggle between the Roman Catholic Church and the German government" Kulturkampf (页面存档备份,存于互联网档案馆) in freedict.co.uk
^"Rizal's Berlin associates, or perhaps the word "patrons" would give their relation better, were men as esteemed in Masonry as they were eminent in the scientific world--Virchow, for example." in JOSE RIZAL AS A MASON by AUSTIN CRAIG, The Builder Magazine, August 1916 - Volume II - Number 8 (页面存档备份,存于互联网档案馆)
^"It was a heady atmosphere for the young Brother, and Masons in Germany, Dr. Rudolf Virchow and Dr. Feodor Jagor, were instrumental in his becoming a member of the Berlin Ethnological and Anthropological Societies." From Dimasalang: The Masonic Life Of Dr. Jose P. Rizal By Reynold S. Fajardo, 33° (页面存档备份,存于互联网档案馆) by Fred Lamar Pearson, Scottish Rite Journal, October 1998