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New York, NY: Free Press of Glencoe, 1961
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s.l.: Harvard University Press, 1968 ; 1968
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University of Chicago Press, 1961
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University of Chicago Press, 1961
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JSTOR, 1959
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University of Chicago Press, 1961
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American Statistical Association, 1959
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University of Chicago Press, 1961
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Informa UK Limited, 1945
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JSTOR, 1945
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American Statistical Association, 1945
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University of Chicago Press, 1944
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University of Chicago Press, 1944
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Duke University Press, 1968
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Duke University Press, 1968
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The Population Association of America, 1968
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JSTOR, 1959
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JSTOR, 1958
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The Population Association of America, 1965
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JSTOR, 1959