Thomas, David
England in the nineteenth century 1815-1914
Penguin Books, 1963
Buku Teks SO
Cairns, John C.
The nineteenth century 1815-1914
Free Press, 1965
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Ferguson, Wallace K.
A survey of european civilization
Houghton Miffiln, 1942
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Childe, V. Gordon
The dawn of European civilization
Alfred A. Knopf, 1958
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Constitutionalism, legitimacy, and power: nineteenth-century experiences
Oxford University Press, 2014
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