Hubbard, G. E.
International Secretariat Institute of Pasific Relations , 1943
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Stocholm, 1958
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Millard, Thomas F.
Fisher Unwin, 1908
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Bisson, T.A.
Macmilan Co., 1945
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Griswold, Alfred Whitney, 1906-1963
Harcourt, Brace , 1938
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