The Cognitive Linguistics Bibliography (CogBib) is an electronic database that covers a wide range of subjects within the broader field of cognitive linguistics. The most important function of CogBib is to make scholars both in and outside of the field of cognitive linguistics aware of the diverse research output available on a range of given topics.

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

Enhanced Electronic Grammars (EEG) features comprehensive descriptions of languages from around the world. Through this unique online resource, full grammars are made available together in an interlinked and semantically-annotated format, allowing granular access to the grammatical data and enabling cross-language research of several grammars at the same time. In addition to cross-linguistic queries, each grammar can also be read and researched individually.

FRANCIS indexes multilingual information and provides in-depth coverage of humanities and social sciences.

The database OLC Ibero-America, Spain and Portugal is a regional related section from the Online Contents database that is constantly being completed with the addition of selected journals from the competent Libraries, the Library of the Ibero-American Institute Prussian Cultural Heritage (Ibero-America and the Caribbean) and the state and university library SUB Hamburg (Spain and Portugal). Currently more than 1.400 journals are being indexed. Gradually earlier editions of these journals will also be made accessible.

This historic journal index enables the simultaneous search in millions of citations for articles published in the arts, humanities and social sciences, across more than 300 years. It enables researchers quickly and comprehensively to identify articles relevant to their field of study and reduces what could take years of research to a matter of minutes. Journals indexed span 37 key subject areas and multiple languages.

The PsycINFO databases cover the professional and academic literature in psychology and related disciplines including medicine, psychiatry, nursing, sociology, education, pharmacology, physiology, linguistics, and other areas. Coverage is worldwide, and includes references and abstracts to over 1300 journals and to dissertations in more than 30 languages, and to book chapters and books in the English language. Over 50,000 references are added annually. Popular literature is excluded.

The goal of this database is to provide researchers with an opportunity to cross-search the contents of major Russian periodicals on social sciences and humanities. It is comprised of journals of the Russian Academy of Sciences ranging from archeology to linguistics, as well as popular literary editions, and independent scholarly publications. New titles are added on a regular basis. This Universal Database grows retroactively. Full-text and full-image content of print editions is reproduced with original pagination.