Duverger, Maurice
Political parties : their organization and activity in the modern state
Methuen & Co , 1959
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Leiserson, Avery, 1913-
Parties and politics
Alfred A. Knopf, 1958
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Mass politics in industrial societies: a reader in comparative politics / edited by Giuseppe Di Palma
Markham Publishing Company, 1972
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Ware, Alan
Political parties and party systems
Oxford University Press, 1996
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Political parties : development and decay
edited by Louis Maisel and Joseph Cooper
Sage, 1978
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