Phelps, Orme Wheelock.
Introduction to labor economics / Orme Wheelock Phelps. - 2nd ed. - New York : McGraw-Hill, 1955. - 554 p. : illus ; 24 cm. - Business and economics publications .
Labor.
Working class--United States.
331 / PHI
Introduction to labor economics / Orme Wheelock Phelps. - 2nd ed. - New York : McGraw-Hill, 1955. - 554 p. : illus ; 24 cm. - Business and economics publications .
Labor.
Working class--United States.
331 / PHI