Case, N. P. (1902). European constitutional history: Or, The origin and development of the governments of modern Europe, from the fall of the western Roman empire to the close of the nineteenth century. Jennings & Pye; Eaton & Mains.

Case, Nelson Perry. European Constitutional History: Or, The Origin and Development of the Governments of Modern Europe, from the Fall of the Western Roman Empire to the Close of the Nineteenth Century. Cincinnati, New York: Jennings & Pye; Eaton & Mains, 1902.

Case, Nelson Perry. European Constitutional History: Or, The Origin and Development of the Governments of Modern Europe, from the Fall of the Western Roman Empire to the Close of the Nineteenth Century. Jennings & Pye; Eaton & Mains, 1902.