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1
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2Published 1980“...United States Emigration and immigration Social aspects....”
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3by Briggs, Vernon M.“...United States Emigration and immigration Economic aspects....”
Published 1994
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4by Briggs, Vernon M.“...United States Emigration and immigration Government policy History....”
Published 1984
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5by Briggs, Vernon M.“...United States Emigration and immigration Government policy History....”
Published 1996
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6by Briggs, Vernon M.“...United States Emigration and immigration Government policy History....”
Published 2003
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