Web of Science (Arts & Humanities, Social Sciences, and Science Citation Indexes)

Web of Science (Arts & Humanities, Social Sciences, and Science Citation Indexes)

Web of Science indexes leading scholarly journals, books, proceedings, reports, and other formats. Its major subject areas include sciences, social sciences, and arts and humanities. The heart of the platform is the Web of Science Core Collection, which indexes over 20,000 scholarly journals and includes over 1 billion cited references. Indexing for each work in the Core Collection includes its authors, author affiliations, and cited references. In addition to the Core Collection, Web of Science provides access to several regional, subject, and format-specific databases. Within the Web of Science platform, databases can be searched together or individually, and they are organized thus:

  • Web of Science Core Collection:
    • Science Citation Index Expanded: 1900-present
    • Social Sciences Citation Index: 1900-present
    • Arts & Humanities Citation Index: 1975-present
    • Book Citation Index--Science: 2005-present
    • Book Citation Index--Social Science & Humanities: 2005-present
    • Conference Proceedings Citation Index--Science: 1990-present
    • Conference Proceedings Citation Index--Social Science & Humanities: 1990-present
    • Current Chemical Reactions (CCR): 1985-present
    • Emerging Sources Citation Index (ESCI): 2005-present
    • Index Chemicus (IC): 1993-present
  • BIOSIS Citation Index: 1926-present
  • BIOSIS Previews: 1990-present
  • Current Contents Connect: 1998-present
  • Data Citation Index: 1900-present
  • Derwent Innovations Index: 1963-present
  • Grants Index: 1953 - present
  • KCI-Korean Journal Database: 1980-present
  • MEDLINE: 1950-present
  • Preprint Citation Index: 1991 - present
  • ProQuest Dissertations & Theses Citation Index: 1637 - present
  • SciELO Citation Index: 2002-present
  • Zoological Record: 1864-present

Many of these databases were historically published as print indexes. For impact factor of specific journals, see Journal Citation Reports.

Dates covered

Varies per database

Resource types
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