The online version of the Directory offers users the ability to browse through individual entries or to search for specific items. Search options include searching by title, description, publisher, peer review basis, or subject. Also included online is the thesaurus used to classify the entries,thereby allowing users to search by specific keywords. All web-accessible e-journals have a link from the Directory entry to the journal's actual site. The electronic version of the directory is available as a stand-alone product, while purchasers of print copies automatically receive access to the e-version.