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1Published 1982.“…Northern Illinois University,…”
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4Published 1976.“…Northern Illinois University Press,…”
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6Published 1989“…Northern Illinois University,…”
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7Published [1968]“…Northern Illinois University Press,…”
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8Published 1976.“…Northern Illinois University Press,…”
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9Published 1982.“…Northern Illinois University Press,…”
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13Published 1984.“…Northern Illinois University Press,…”
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17Published 1994.“…Northern Illinois University Press,…”
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19Published 1985.“…Northern Illinois University Press,…”
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20Published [1973]“…Northern Illinois University Press,…”
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