Book Citation Index--Science (BKCI-S) and Social Sciences & Humanities (BKCI-SSH) The Book Citation Index is a multidisciplinary index to the literature of the sciences, social sciences, and humanities. Database Coverage: 2005 (copyright year) to the present

Walter De Gruyter publishes a wide variety of content covering humanities, medicine, the sciences and law. The "De Gruyter Online" platform provides access to title information and the electronic content for De Gruyter journals and books under one roof. Users from the MPG have access to following products: * De Gruyter Journals and Yearbooks - current content of selected serial titles available on the platform (last 13 volumes) * De Gruyter Journal Archive - backfile content of 150 titles * De Gruyter Online / Research Now E-Journal Archive - about 50 journals focusing on research in economics, formerly published by Berkeley Electronic Press until 2022 * De Gruyter eBooks - a collection of purchased e-books which is continuously extended by single e-book acquisitions by MPG libraries

The collection licensed by the DFG comprises 1000 e-Books. In addition, access to 3,400 free electronic books from all subject areas is provided.

The KCI Korean Journal Database provides a comprehensive snapshot of the most influential regional content from researchers in South Korea. Using citation connections from the Web of Science™, regional work is framed within the broader context of global research. Created in collaboration with the National Research Foundation of Korea, this database covers articles from approximately 2,000 scholarly journals (over 1,500 new to the Web of Science).