Searchable database of several hundred subject encyclopedias and other reference works across all subject areas, but with particular strengths in the social sciences and humanities. It includes a number of major reference works, and is Northwesterns largest single collection of reference materials. A good source for authoritative background information.

Online version of many Oxford University Press reference works, ranging from specialized dictionaries and companions to major reference works such as the Encyclopedia of Human Rights, the Oxford Encyclopedia of Food and Drink, the Oxford Encyclopedia of Latinos and Latinas in the United States, and the Oxford Encyclopedia of Economic History, among many others.

An online collection of subject encyclopedias and handbooks covering a wide-variety of subjects in the social sciences. Particularly strong for handbook coverage.