5 million articles online at HighWire Press

"A division of the Stanford University Libraries, HighWire Press hosts the largest repository of high impact, peer-reviewed content, with 1189 journals and 5,009,562 full text articles from over 140 scholarly publishers. HighWire-hosted publishers have collectively made 2,013,680 articles free. With our partner publishers we produce 71 of the 200 most-frequently-cited journals"