Schulz, Ernest B
Democracy
[publisher not identified], 1956
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Catt, Helena
Democracy in practice
Routledge , 1999
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Mackie, Gerry
Democracy defended
Cambridge University Press, 2003
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Eisenstadt, Shmuel Noah
Paradoxes of democracy
The Woodrow Lilson Center Press, 1999
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Lindsay, A.D.
The Essential of Democracy
Oxford University Press, 1948
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