4 books • 7 series
Enterprising America (NBER-Conference Report) ((NBER) National Bureau of Economic Research Conference Reports (CHUP))
Wages and Labor Markets in the United States, 1820-1860 (National Bureau of Economic Research Series on Long-Term Factors in Economi) (NBER-Long Term Factors (CHUP)) (National Bureau of Economic Research - Long Term Factors in Economic Development) (NBER Series on Long-Term Factors in Economic Development)