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.

PsycARTICLES comprises journals published by the American Psychological Association, the APA Educational Publishing Foundation, the Canadian Psychological Association, and Hogrefe Publishing Group, from 1894 onwards.

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 PsyJOURNALS collection is a diverse portfolio of highly-regarded, peer-reviewed journals in German and English languages published by Hogrefe and by Hans Huber that cover a wide range of areas within psychology and psychiatry. Max Planck researchers have full text access to 31 journals from 2015 onwards, with a two-year moving wall.

"Psyndex - Literature & Audiovisual Media" contains records on psychology from researchers in Germany, Austria, and Switzerland. Compiled by the German Center for Documentation and Information in Psychology at the University of Trier (ZPID), this database covers German and English journal articles, books, chapters, reports, dissertations as well as audiovisual media. The database is bilingual: titles and descriptors are in German and English. German publications are abstracted in German; English publications in English. The database is indexed with the Thesaurus of Psychological Index Terms by permission of the American Psychological Association. A bilingual thesaurus is included with the database.

"Psyndex - Tests" contains records on psychology from researchers in Germany, Austria, and Switzerland. Compiled by the Leibniz Institute for Psychology Information (ZPID), this database covers about 5,000 extensive descriptions of psychological and educational tests used in the German-speaking countries. "Psyndex - Tests" is bilingual: titles and descriptors are in German and English. German publications are abstracted in German; English publications in English. The database also include theoretical background, testing procedures, test construction, reliability, validity, fields of application, research and other selected literature, a comprehensive discussion, and test reviews. "Psyndex - Tests" is indexed with the Thesaurus of Psychological Index Terms by permission of the American Psychological Association (APA). A bilingual thesaurus is included with the database.

ScienceOpen is a networking platform for scholars to enhance their research in the open, make an impact, and receive credit for it. The site provides advanced search and discovery functions, combined with post-publication peer review, recommendation, social sharing, and collection-building features. The Max Planck Society covers article-processing charges for ScienceOpen Research and ScienceOpen Poster centrally. Further details are available on the MPDL website.

SocINDEX is the world's most comprehensive and highest quality sociology research database. Subject headings from a 15,000 term sociology-specific thesaurus designed by expert lexicographers and extensive indexing for books, monographs, conference papers and other sources is included. Searchable cited references are also provided.

The SpringerLink platform provides MPG staff with access to a huge collection of English and German eBooks from 2005 onwards, as well as the English and the German collection of the Springer Book Archive (1842-2004). In addition, the content of selected book series is available. Includes major reference works and dictionaries. Max Planck researchers who publish a monograph or edited volume with Springer Nature as an Open Access eBook receive a discount on the standard Book Publishing Charge. MPDL covers the costs remaining on a pro rata basis. Further details are available on the MPDL website.

The journal collection on the SpringerLink platform includes more than 2,500 English-language and close to 200 German-language journals. The current subscription provides Max Planck researchers with full text access to nearly the entire journal collection. In addition, the Max Planck Society covers article-processing charges in line with the SpringerOpen and the Springer Open Choice programmes. Further details are available on the MPDL website.

Swisslex beinhaltet die Urteilssammlungen der eidgenössischen Gerichte und der meisten letztinstanzlichen kantonalen Gerichte (teils zurückgehend bis in die 70er-Jahre) sowie des Bundesgerichts ab 1954. Das Archiv umfasst ca. 75 Fachzeitschriften, eine große Zahl an Gesetzeskommentaren (Reihen wie Zürcher, Berner Kommentar oder Stämpfli Handkommentar) und über 2.650 Werke der Fachliteratur. Rund 510.000 Dokumente sind im Volltext zugänglich. Ein 3-sprachiger Übersetzungsthesaurus ermöglicht eine sprachübergreifende Recherche, sodass Publikationen über eine Suche in nur einer Landessprache in ihrer Originalsprache auffindbar sind. Zudem umfasst Swisslex auch eine EU-Rechtsdatenbank. Swisslex includes the jurisdiction of the Swiss federal courts, of most of the cantonal courts (since the seventies) as well as of the Supreme Court (since 1954). It provides access to approx. 75 journals, numerous legal commentaries and more than 2.650 monographies. About 510.000 documents are accessible in fulltext. By means of a trilingual thesaurus, the user can find publications in its original language. Besides, Swisslex comprises a database with content to the EU.

The Subject Gatewy for Law is an instrument for the legal information retrieval. It provides straightforward access to legal information in the Internet. Die Virtuelle Fachbibliothek Recht ist ein Instrument für die rechtswissenschaftliche Online-Recherche. Sie bietet einen ortsunabhängigen und unkomplizierten Zugang zu rechtswissenschaftlichen Fachinformationen im Internet.

Westlaw UK provides access to a vast full-text database of case law and legislation, from the foundations of UK law to the very latest legislative developments. In addition, the resource covers national, regional and international news and business updates, full-text articles from over 100 journals, selected commentaries and ebooks, and EU legal materials. Westlaw Edge UK provides advanced platform features and tools, such as Case Analytics, Legislation Compare Tool, Westlaw Questions and Legislation Alerts.

International Materials on WestlawNext is a global legal research library providing access to a collection of statutes, case law materials, public records, and other legal resources, along with current news articles and business information from providers such as Sweet & Maxwell, Sweet & Maxwell Asia, Ellis Publications, Carswell and Westlaw. The collection covers legal and business materials from selected jurisdictions worldwide, incl. Australia, Canada, European Union, Hong Kong, United Kingdom and the United States. In addition, Westlaw International makes available full texts from over 1,000 journals and law reviews published worldwide.