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Resources

Reference databases

Search hundreds of reference works with:

  • Gale Virtual Reference Library
    Contains searchable full-text of encyclopedias, almanacs, and specialized reference sources in many different subject fields.
  • Oxford Reference Online
    Brings together over 100 dictionary, encyclopedia, language, and subject reference works published by Oxford University Press in a single cross-searchable resource.

Penn State Libraries Research Guides

These are general reference materials. For specific subjects/courses, please see the complete list of Research Guides and Course Guides