Provides .pdf image and text for journals in the arts and humanities, back to the beginning of the journal (in most cases), and up to 2-3 years of current. Look for Yale Fulltext links to access the materials directly.
JSTOR is a fully-searchable database containing the back issues of scholarly journals in history, economics, political science, demography, mathematics and other fields. These journals are fully searchable.
The Social Science Research Network (SSRN) provides researchers with opportunities for networking worldwide via specialized research sub-networks that encourages the early distribution of research results by publishing submitted abstracts and by soliciting abstracts of top quality research papers around the world. SSRN now has hundreds of journals, publishers, and institutions that provide abstracts of accepted papers and working papers for publication in SSRN's email based abstracting journals. SSRN also delivers electronic copies of the full text of papers for authors that wish to deliver their documents over the internet.