1.

図書
図書
1. Recent economic changes in the United States : report of the Committee on Recent Economic Changes, of the President's Conference on Unemployment
Conference on Unemployment (1921 : Washington, D.C.). Committee on Recent Economic Changes ; National Bureau of Economic Research ; Hunt, Edward Eyre
出版情報: New York : Johnson Reprint Corp., 1966
シリーズ名: History of American economy : studies and materials for study
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2.

図書
図書
2. Recent economic changes in the United States : report of the Committee on Recent Economic Changes, of the President's Conference on Unemployment (v. 1 ; v. 2)
Herbert Hoover, chairman
出版情報: Ann Arbor : University Microfilms, 1967
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3.

図書
図書
3. Income in the United States : its amount and distribution, 1909-1919 (v. 1 ; v. 2)
by the staff of the National Bureau of Economic Research, incorporated, Wesley C. Mitchell ... [et al.]
出版情報: Ann Arbor, Mich. : University Microfilms, c1921-c1922
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目次情報:
v. 1. Summary
v. 2. Detailed report
v. 1. Summary
v. 2. Detailed report