id	domain	url
expositions-1842	teachingamericanhistory.org	http://teachingamericanhistory.org/library/document/the-right-to-criticize-americaninstitutions/
expositions-1842	teachingamericanhistory.org	http://teachingamericanhistory.org/library/document/the-destiny-of-colored-americans/
expositions-1842	teachingamericanhistory.org	http://teachingamericanhistory.org/library/document/blessings-of-liberty-and-education/
expositions-1842	www.heritage.org	http://www.heritage.org/research/reports/2011/01