
The name of the article is “Race, Skills, and Earnings: American Immigrants in 1909″ by Robert Higgs it is published in “The Journal of Economic History, Vol. 31, No. 2. (Jun., 1971), pp. 420-428.” this is taken from page 424.

The name of the article is “Race, Skills, and Earnings: American Immigrants in 1909″ by Robert Higgs it is published in “The Journal of Economic History, Vol. 31, No. 2. (Jun., 1971), pp. 420-428.” this is taken from page 424.