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Provides statistical data about the impact factor of science and social science journals in a given fields. The Science edition covers about 5,700 international science journals from the ISI database; the Social Sciences Edition covers about 1,700 leading international social sciences journals from the ISI database. Note: JCR data is updated annually in the summer following the year of coverage (e.g. 2006 data becomes available in the summer of 2007).
Arts & Sciences Collections IX, X, and XI just added!
Like JSTOR? You might want to also try Periodicals Archive Online.
JSTOR, originally funded by the Mellon Foundation, began as an effort to ease the increasing space problems faced by libraries by converting back issues of paper journals into electronic formats that would allow savings in space, improved access to journal content and offer a possible solution to preservation problems associated with storing paper volumes.