id	domain	url
crln-7450	www.digitalhistory.uh.edu	http://www.digitalhistory.uh.edu/
crln-7450	www.digitalhistory.uh.edu	http://www.digitalhistory.uh.edu
crln-7450	www.nist.gov	http://www.nist.gov
crln-7450	www.nist.gov	http://www.nist.gov