Masannat, George S.
The American political system: introductory readings
Charlies Scribuner's Sons, 1971
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Readings in citizen politics: studies of political behavior
edited by James David Barber
Markham, 1970
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Woll, Peter
American goverment : readings and cases
Longman , 2001
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Wilfred D. Webb
Outside Readings in American Government
Thomas Y. Crowell Company, 1961
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Woll, Peter
American government: readings and cases
Little, Brown, 1984
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