//-->
Occupation, power and the origins of labor segmentation in the US : 1870 - 1910
Wagman, Barnet, (1995)
Globalization and the Welfare State: Four Hypotheses and Some Empirical Evidence
Bowles, Paul, (1997)
Counting Housework: New Estimates of Real Product in the United States, 1800–1860
Folbre, Nancy, (1993)