Blacker, Carlos Platon (1895-1975)(1)
Elsas(1)
Kuczynski, Robert René (1876-1947)(1)
Pearl, Raymond (1879-1940)(1)
Johns Hopkins University. School of Hygiene and Public Health(1)
London School of Economics and Political Science. Population Investigation Committee(1)
Zentral- und Landesbibliothek Berlin(1)
Adressat(1)
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Verfasser(1)
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London(1)