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Economics of labor relations
Bloom, Gordon Falk; Northrup, Herbert Roof - 1973 - 7. ed., 1. print.
Persistent link: https://www.econbiz.de/10004013619
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Economics of labor relations
Bloom, Gordon Falk; Northrup, Herbert Roof - 1969 - 6. ed
Persistent link: https://www.econbiz.de/10004162581
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Economics of labor relations
Bloom, Gordon Falk; Northrup, Herbert Roof - 1954 - Rev. ed.
Persistent link: https://www.econbiz.de/10004336322
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Economics of labor relations
Bloom, Gordon Falk; Northrup, Herbert Roof - 1961 - 4. ed.
Persistent link: https://www.econbiz.de/10004336323
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Economics of labor and industrial relations
Bloom, Gordon Falk; Northrup, Herbert Roof - 1950
Persistent link: https://www.econbiz.de/10004169502
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Economics of the work week : the Conference Board
Northrup, Herbert Roof; Brinberg, Herbert R. - 1950
Persistent link: https://www.econbiz.de/10004631076
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Organized Labor and the negro
Northrup, Herbert Roof - 1944
Persistent link: https://www.econbiz.de/10004631077
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The negro in the air transport industry
Northrup, Herbert Roof; Thieblot, Armand J.; Chernish, … - 1971
Persistent link: https://www.econbiz.de/10004631078
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The Negro in the paper industry
Northrup, Herbert Roof - 1969
Persistent link: https://www.econbiz.de/10004631079
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The Negro in the tobacco industry
Northrup, Herbert Roof - 1970
Persistent link: https://www.econbiz.de/10004631080