id	domain	url
crln-8683	www.loc.gov	www.loc.gov/marc/transition/pdf/bibframework-10312011
crln-8683	opengovernmentdata.org	http://opengovernmentdata.org
crln-8683	www.readwriteweb.com	https://www.readwriteweb.com/archives/common_crawl_foundation_announces_5