Ferguson, John H., author
The American federal goverment
McGraw-Hill, 1961
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Woll, Peter, author
American goverment : readings and cases
Longman , 2001
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Ferguson, John H., author
The American federal government
McGraw-Hill, 1981
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Easton, David, author
A systems analysis of political life
John Wiley & Sons, 1965
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Govermental policy and international education / edited by Stewart Fraser
John Wiley & Sons, 1965
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