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• LearningExpressLibrary.com
  Includes practice tests for graduate school entrance, law enforcement, military, teacher certification, U.S. citizenship, and much more.
  
  
• Lexis-Nexis Academic Universe
  Full-text web database of legal, business and news information.

• LeisureTourism.com
  An Internet service containing searchable abstracts in the areas of leisure, tourism, recreation, hospitality, sports, and cultural industries.
  
  
• Library, Information Science & Abstracts (LISTA)
  Provides coverage on subjects in librarianship dating back to the mid-1960's.
  
  
• Linguistics and Language Behavior Abstracts
  The study of language and the various fields of linguistics.

• Literary Index
  Contains citations in Gale's literature series.

• Literature Resource Center
  Provides access to biographies, bibliographies, and critical analyses of authors from every age and literary discipline. Covers novelists, essayist, poets, journalists, and other writers. Includes links to Dictionary of Literary Biography, Contemporary Authors, Contemporary Literary Criticism, and more.