Constitutions and constitutional trends since World War II : an examination of significant aspects of postwar public law with particular reference to the new constitutions of Western Europe / edited by Arnold J. Zurcher.
New York University Press, 1951
 Buku Teks
Palmer, Robert Roswell, 1909-2002
Age of the democratic revolution: a political history of Europe and America, 1960-1800
Princeton University Press, 1964
 Buku Teks SO
Hayes, Carlton J. H.
A political and cultural history of modern Europe
Macmillan, 1932
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Yoga Soegomo
The comparison of the european democracies and the Pancasila democracy in Indonesia as a subject of democracy-research
Pustaka Kartini, 1986
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Constitutionalism, legitimacy, and power: nineteenth-century experiences
Oxford University Press, 2014
 Buku Teks