id	domain	url
amae-112	www.urban.org	http://www.urban.org/uploadedpdf/411425_characteristics_immigrants.pdf
amae-112	nces.ed.gov	http://nces.ed.gov/pubsearch
amae-112	www.urban.org	http://www.urban.org/url.cfm?=id412265
amae-112	pewhispanic.org	http://pewhispanic.org/fi