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Introduction to labor economics
Phelps, Orme Wheelock, (1961)
Labor economics
Sultan, Paul, (1957)
Phelps, Orme Wheelock, (1950)
Discipline and discharge in the unionized firm
Phelps, Orme Wheelock, (1959)
The legislative background of the Fair labor standards act : a study of the growth of national sentiment in favor of governmental regulation of wages, hours, and child labor
Phelps, Orme Wheelock, (1939)