id	domain	url
crl-16204	www.arl.org	www.arl.org/bm~doc/09instruct.pdf
crl-16204	www.arl.org	www.arl.org/bm~doc/arl-br-256stats.pdf
crl-16204	nces.ed.gov	http://nces.ed.gov/surveys/surveygroups.asp?group=5
crl-16204	nces.ed.gov	http://nces.ed.gov/surveys/libraries/compare/pdf/2008_questionnaire.pdf
crl-16204	library.ucf	http://library.ucf
crl-16204	sloanconsortium.org	http://sloanconsortium.org/sites/default/files/class_differences.pdf