Kunkel, Wolfgang
An Introduction to roman legal and constitutional history / Wolfgang Kunkel
At The Clarendon Press, 1975
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Dawson, Christopher
The making of Europe : an introduction to the history of European unity / Christopher Dawson
Sheed and Ward, 1946
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Atlas of European history
edited by Edward Whiting Fox
Oxford University Press, 1957
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Benns, Lee F.
European history since 1870
Appleton-Century-Crofts, 1955
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Sontag, Raymond James
European diplomatic history 1871-1932
Crofts, 1933.
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