Fulltext Sources Online is a directory of periodicals accessible online in full text through more than 25 aggregators. Published biannually in January and July, FSO lists over 21,000 newspapers, journals, magazines, newsletters, news wires, and transcripts. Each title entry lists the aggregators and their databases carrying the title online in full text, along with dates of coverage. The frequency or lag time for updates of titles apprearing online is noted, as well as ISSNs and the publisher's Web site with archives, when available. Subject, geographic, and language indexes are included, plus a section listing publications on the Internet. FSO subscribers also receive access to the Private Zone, a hyperlinked list of publications with free archives available on the Internet. The Private Zone provides access to fill-text back issues of individual publications found in the print edition of FSO. For a full list of aggregator products in FSO, go to www.infotoday.com