Offers annotated bibliographies of the most important books and articles on specific topics in a growing range of subject areas. Particularly useful for anyone beginning research Essays of particular interest may be "Happiness" (Psychology), "Positive Psychology" (Psychology), and "The Meaning of Life" (Philosophy) among others.

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.

NUsearch is the main search tool for Northwestern University Library, combining the library catalog with a wealth of other databases and online collections.