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3by Ruggles, Steven, Roberts, Evan, Sarkar, Sula, Sobek, MatthewGet access
Published in Historical Methods: A Journal of Quantitative and Interdisciplinary History (2011)
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4by Roberts, Evan, Woollard, Matthew, Ronnander, Chad, Dillon, Lisa Y., Thorvaldsen, GunnarGet access
Published in Historical Methods: A Journal of Quantitative and Interdisciplinary History (2003)
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5by Roberts, Evan, Ruggles, Steven, Dillon, Lisa Y., Gardarsdóttir, Ólöf, Oldervoll, Jan, Thorvaldsen, Gunnar, Woollard, MatthewGet access
Published in Historical Methods: A Journal of Quantitative and Interdisciplinary History (2003)
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Article in Journal/Newspaper