Oxford Reference Online Premium Collection brings together nearly 200 language and subject reference works in a single cross-searchable resource. Works in the collection include an expanding range of key titles in the acclaimed Oxford Companions series, the Oxford Dictionary of Quotations, many English-language and bilingual dictionaries, as well as subject encyclopedias and dictionaries in a wide range of subject areas including: Art & Architecture, Biological Sciences, Classics, Computing, Earth & Environmental Sciences, Economics & Business, Food & Drink, History, Law, Literature, Maps, Medicine, Military History, Mythology & Folklore, Names & Places, Performing Arts, Physical Sciences & Mathematics, Politics & Social Sciences, Quotations, Religion & Philosophy, Science.

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.