Provides page images of back issues of the core scholarly journals in the humanities, social sciences, and basic sciences from the earliest issues to within a few years of current publication. Users may browse by journal title or discipline, or may search the full-text or citations/abstracts. New issues of existing titles and new titles are added approximately on a weekly basis. The University of Illinois has access to the following JSTOR collections: Arts & Sciences I-XV, 19th Century British Pamphlets, Business IV, Global Plants, Hebrew Journals, Ireland, Life Sciences Collection, Lives of Literature, Security Studies, Struggles for Freedom - South Africa, Sustainability, and World Heritage Sites - Africa.

The ProQuest Black Studies Center includes the Black Studies Periodicals Database, which includes citations for articles in Black periodicals going back to 1902, as well as an online index to Black literature spanning from 1827-1940, the Schomburg Studies on the Black Experience (a database of studies, articles, images and essays covering important topics), and the full text of the Chicago Defender newspaper from 1910-1975.