WorldCat

Strengths:

• Comprehensive coverage of the holdings of U.S. public libraries and extensive coverage of many college, university, and research libraries
• Includes records for books, journals, newspapers, maps, sound recordings, scores, visual materials, computer datafiles, and manuscript and archival materials
  • BUT…
    • No volume holdings for journals and newspapers are included
    • Fewer manuscript and archival records are represented than in RLG’s Union Catalog
• Database of record of the United States Newspaper Program (http://www.neh.gov/projects/usnp.html)
• Offers the ability to identify relevant subject headings through the Library of Congress Subject Headings list