Discussion paper DP71 Immigration and the Real Wage: Time Series Evidence from the United States, 1820-1977 Cormac Ó Gráda 1 Aug 1985 Human Resources N J J
Discussion paper DP72 Modelling Migration to the New World: Some Problems Cormac Ó Gráda 1 Aug 1985 Human Resources N N J
Discussion paper DP52 On Two Aspects of Post-War Irish Emigration Cormac Ó Gráda 1 Feb 1985 Human Resources J
Discussion paper DP6 Did the Catholics always have Larger Families? Religion, Wealth, and Fertility in Rural Ulster Before 1911 Cormac Ó Gráda 1 Feb 1984 Human Resources N J