Hansen, Alvin H. (Alvin Harvey), 1887-1975
Business cycles and national income/ Alvin H. Hansen
W.W. Norton & Company , 1951
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Hald, Earl C.
Business cycles
Houghton-Mifflin, 1954
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Achinstein, Asher
Introduction to business cycles
Thomas Y. Crowell, 1950
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Mitchell, Wesley C.
Business cycles : the problem and its setting
National Bureau of Economic Research, 1954
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Mitchell, Wesley C.
Business cycles : the problem and its setting
National Bureau of Economic Researsch, 1930
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