Encyclopedias and dictionaries Expand All + Collapse All - Online encyclopedia and dictionary collections at the Library. Sage KnowledgeFull-text encyclopedias for all the social sciences.Gale Virtual Reference LibrarySelection of reference works in the sciences and social sciences.Oxford ReferenceA collection of online dictionaries and encyclopedias on a wide variety of topics.More Resources: check the tabs for Encyclopedias and Dictionaries on individual subject pages.