Web of Science (1900 - ) If you receive an error message and cannot access the database, try clearing your browser cache and cookies. Science, social science, arts, and humanities citations for scholarly literature. Access the world’s leading scholarly literature in the sciences, social sciences, arts, and humanities and examine proceedings of international conferences, symposia, seminars, colloquia, workshops, and conventions. The WashU Libraries subscribe to Science Citation Index Expanded (1900-present), Social Sciences Citation Index (1970-present), and Arts & Humanities Citation Index (1975-present).