1.

図書
図書
1. Rationalisation and unemployment : an economic dilemma
J.A. Hobson
出版情報: London : G. Allen & Unwin, 1930
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2.

図書
図書
2. The distribution of income : being a study of what the national wealth is and of how it is distributed according to economic worth. 3rd ed
by William Smart
出版情報: London : Macmillan, 1923
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