References
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- United Nations, Statistical Commission . 1948 . Report… , 14 – 16 . Lake Success : Economic and Social Council, Official Records, Third Year: Seventh Session, Supplement No. 5 . (third session)
- United Nations, Department of Social Affairs and Statistical Office . 1950 . Population Census Methods , Lake Success : Population Studies (Series A), no. 4 .
- Inter-American Statistical Institute . 1949 . Second Session of the Committee on the 1950 Census of the Americas , Rio de Janeiro : Servicio Grafico do Institute Brasiliero de Geografia e Estatistica .
- Kirk , Dudley . 1949 . “ Problems of collection and comparability of international population statistics ” . In Problems in the Collection and Comparability of International Statistics , New York : Milbank Memorial Fund . in