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All of the works included in Cholera Online: A Modern Pandemic in Texts and Images are in the public domain, usually because of their dates, though sometimes because they were published by a government body. Also, the National Library of Medicine does not claim copyright on the electronic files created for Cholera Online: A Modern Pandemic in Texts and Images, so images and text files created for the project can be published or distributed without seeking permission. We do ask that such materials be labeled, "Courtesy of the National Library of Medicine."

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