Braeman, John
American politics in the twentieth century / John Braeman
Thomas Y Crowill, 1969
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Bailey, Stephen K.
Government in America
Henry Holt, 1957
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Moore, John A.
The pursuit of happiness: goverment and politics in America
Macmillan, 1985
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Chafe, William Henry
The unfinished journey : America since World War II / William H. Chafe
Oxford University Press, 1995
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Mahood, H. R.
Pressure groups in American politics/ H. R. Mahood.
Scribner, 1967
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