Transactions of the Seventh International Congress of Hygiene and Demography. Volume XIII
Transactions of the Seventh International Congress of Hygiene and Demography. Volume XIII
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London, August 10th - 17th, 18 ...... reports, offical lists, etc.)
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datePublished
1892-01-01
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ngTq5n96dUKFfEgk9VNr3F0d
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Transactions of the Seventh International Congress of Hygiene and Demography. Volume XIII