The Merck Index contains information on chemicals, drugs and biologicals. It contains monographs – including historic records not available in the print edition. The Merck Index Online will be updated regularly with accurate information curated by experts.
Web of Science (formerly Web of Knowledge) offers a wide range of interdisciplinary content. Also included: prominent journals and conference proceedings, Arts & Humanities Citation Index (1985-present); Science Citation Index (1955-present); and Social Sciences Citation Index (1900-present).