Books in Category: Encyclopedias/Dictionaries/Reference
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The 1990 United States Census [2nd]
United States. Bureau of the Census
Aug 1, 1992
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The 1990 United States Census
United States. Bureau of the Census
Apr 1, 1992
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The 1991 CIA World Factbook
United States. Central Intelligence Agency
Feb 1, 1992
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Roget's Thesaurus
Peter Mark Roget
Dec 1, 1991
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The 1990 CIA World Factbook
United States. Central Intelligence Agency
Apr 1, 1991
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