Association of College and Research Libraries

http://www.ala.org/ala/acrl/acrlissues/acrlinfolit/infolitoverview/introtoinfolit/introinfolit.htm

Olin and Uris Libraries – Cornell University

http://www.library.cornell.edu/olinuris/ref/research/webcrit.html

New Mexico State University Library

http://lib.nmsu.edu/instruction/evalcrit.html

Librarian’s Index to the Internet

http://lii.org/search/file/pubcriteria

Kathy Schrock’s

http://school.discovery.com/schrockguide/evalmidd.html

The Big 6

http://www.big6.com/

http://www.kn.pacbell.com/wired/21stcent/gradelevel.html