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Migrant : agricultural workers in America's Northeast
Friedland, William H., (1971)
First and second generation immigrant educational attainment and labor market outcomes : a comparison of the United States and Canada
Aydemir, Abdurrahman, (2006)
First and Second Generation Immigrant Educational Attainment and Labor Market Outcomes : A Comparison of the United States and Canada
Teacher retirement in the United States
Day, James Francis, (1971)