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The federal registration service of the United States : its development, problems, and defects ; prepared for the second Pan American Scientific Congress, Washington; December 27, 1915, to January 8, 1916 / by Cressy L. Wilbur, M.D. (chief statistician for vital statistics of the United States, Bureau of the Census, 1906-1914; Director of Vital Statistics, New York State Department of Health, Albany) |
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