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1.
図書 |
compiled and edited by Harold Wentworth and Stuart Berg Flexner
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2.
図書 |
United States. Bureau of the Census
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3.
図書 |
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4.
図書 |
completely revised by Harold T. Betteridge
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5.
図書 |
Department of International Economic and Social Affairs, Statistical Office = Département des affaires économiques et sociales internationales, Bureau de statistique
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