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I am legend
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Our patchwork nation : the surprising truth about the "real" America
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Human footprint : everything you will eat, use, wear, buy, and throw out in your lifetime
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Immigrants to the middle colonies : a consolidation of ship passenger lists and associated data from the New York genealogical and biographical record
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Fourth census of the United States : Pennsylvania, 1820
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Thirteenth census of the United States taken in the year 1910
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28 weeks later
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Fifth census of the United States : Pennsylvania, 1830
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Sixth census of the United States : Pennsylvania, 1840
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Third census of the United States : Pennsylvania, 1810
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If the world were a village : a book about the world's people
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A century of population growth : from the first census of the United States to the twelfth, 1790-1900
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If America were a village : a book about the people of the United States
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I am legend
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The human tide : how population shaped the modern world
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Growth : from microorganisms to megacities
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Eighth census of the United States : Berks County, Pa., 1860
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Second census of the United States : Pennsylvania, 1800
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Tenth census of the United States : Lancaster County, Pa., 1880
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Snyder township federal census 1850 : from microfilmed records
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Seventh census of the United States : Blair County, Pa., 1850
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The making of Pennsylvania; an analysis of the elements of the population and the formative influences that created one of the greatest of the American States
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If ... : a mind-bending new way of looking at big ideas and numbers
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Population infographics
