Soltau, Roger H.
An Introduction to politics
Longmans, Green , 1951
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Soltau, Roger H.
An Introduction to politics
Longmans, Green , 1960
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Comaparative politics
The Free Press, 1990
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Schlesinger, Arthur Meier
The politics of hope
Houghton Mifflin, 1962
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Kegley, Charles William, Jr.
World Politics : trend and transformation
Wadsworth, 2009
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