JSTOR
JSTOR is an online repository of the full texts of scholarly journals. It is available to faculty and staff of participating libraries, and is thoroughly indexed at google.com.
JSTOR was originated by the Andrew W. Mellon Foundation in the 1990s with the goal of reducing the long-terms costs of journal storage. JSTOR's main function changed to a provider of online access to leading scholarly journals in the humanities, social sciences and (to a lesser extent), the sciences. Instead of discarding back runs of journals, libraries put them in storage.
JSTOR policy is to provide a "moving wall" so that the last few years of a journal are not online. This is done to secure the support of journal editors who fear the loss of private subscriptions.