id	domain	url
crln-8182	www.rubyonrails.org	www.rubyonrails.org
crln-8182	www.library.wisc.edu	www.library.wisc.edu/researchguides
crln-8182	www.library.wisc.edu	www.library.wisc.edu/research
crln-8182	www.rubyonrails.org	www.rubyonrails.org