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[文献書誌] 蒲島 郁夫: "政党支持の安定性"レヴァイアサン. 春・22. 34-55 (1998)
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[文献書誌] 蒲島 郁夫: "98年参院選 自民大敗の構図"中央公論. 第113巻10号. 34-46 (1998)
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[文献書誌] 蒲島 郁夫: "Movement and Aftermath : Mobilization of the African American Electorate, 1952-1992"Politicians and Party Politics 1998 edited by John Geer, The John Hopkins University Press. 102-112 (1998)
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[文献書誌] 蒲島 郁夫: "THE INSTABILITY OF PARTY IDENTIFICATION AMONG ELIGIBLE JAPANESE VOTERS"Party Politics. 4巻11月2日号. 151-176 (1998)
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[文献書誌] 蒲島 郁夫: "The Upper House Election : How the LDP Went Down to Defent"Japan Echo. 25巻11月5日号. 9-15 (1998)
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[文献書誌] 蒲島 郁夫: "98年参院選-自民党はなぜ負けたか"レヴァイアサン. 25号. 78-102 (1999)
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[文献書誌] Kabashima Ikuo: "An Ideological Survey of Japan's National Legislators"Japan Echo. 26巻4号. 9-16 (1999)