Đọc thêm Dân_chủ_Kitô_giáo

  • Gehler, Michael; Kaiser, Wolfram (2004), Political Catholicism in Europe 1918–1945, Routledge, ISBN 0-7146-5650-X 
  • Gehler, Michael; Kaiser, Wolfram (2004), Christian Democracy in Europe since 1945, Routledge, ISBN 0-7146-5662-3 
  • Gehler, Michael; Kaiser, Wolfram; Wohnout, Helmut biên tập (2001), Christdemokratie in Europa im 20. Jahrhundert / Christian Democracy in 20th Century Europe, Böhlau Verlag, ISBN 3-205-99360-8 
  • Kaiser, Wolfram (2007), Christian Democracy and the Origins of European Union, Cambridge University Press, ISBN 978-0-521-88310-8 
  • Kalyvas, Stathis N. (1996). The Rise of Christian Democracy in Europe. Cornell University Press. ISBN 0-8014-8320-4. 
  • Kalyvas, Stathis N. and Kees van Kersbergen (2010). "Christian Democracy". Annual Review of Political Science 2010. 13:183–209.