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＜図書＞
Employment hours and earnings in prosperity and depression, United States, 1920-1922 / by Willford Isbell King ... results of an inquiry conducted by the National bureau of economic research with the help of the Bureau of markets and crop estimates and the Bureau of the census for the President's Conference on unemployment.
(Publications of the National Bureau of Economic Research, incorporated ; no. 5)

版	2d ed.
出版者	New York : National bureau of economic research, inc.
出版年	1923
大きさ	147 p. diagrs. 24 cm.
著者標目	King, Willford Isbell, 1880-1962 United States. Bureau of markets and crop estimates United States. Bureau of the Census
件　名	Labor and laboring classes -- United States -- 1914-  全ての件名で検索 Hours of labor Wages -- United States  全ての件名で検索

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