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The industrial Revolution : good or evil?
Hobsbawm, E. J., (1972)
Wage rates in Philadelphia, 1790-1830
Adams, Donald R., (1975)
Die Methoden regionaler Reallohnvergleiche in ihrer historischen Entwicklung
Fett, Heinz Georg, (1957)
Occupational Changes in Great Britain, 1911 and 1921
Bowley, Arthur Lyon, (1926)
Relative Changes in price and other index-numbers
Bowley, Arthur Lyon, (1924)
International Comparison of price changes