WorldCat
WorldCat, the Online Computer Library Center (OCLC) union catalog, contains cataloging records for some 1.3 billion items held at 10,000 libraries worldwide. It covers thousands of subjects and includes records for items dating as far back as 1000 A.D. It includes records for a range of materials including books, computer data files, computer programs, films, journals, magazines, manuscripts, musical scores, newspapers, slides, sound recordings, videotapes. WorldCat does not generally include individual articles. Use WorldCat to request items from other libraries.
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