Academic Search Complete (EBSCO) provides full text publications, including peer-reviewed journals. Multidisciplinary coverage spans virtually every area of academic study.
JSTOR is the "scholarly journal archive." A non-profit cooperative project of university libraries, JSTOR has converted the contents of over 4,000 core journals in academic disciplines into electronic form.
Artstor images are now incorporated into JSTOR. More information on this is available on their website. Instructional videos can be found on their YouTube channel.