The OSF Preprints search combines records from various preprint repositories, including arXiv, bioRxiv, Cogprints, PeerJ, PsyArXiv, RePEc and SocArXiv.

Developed cooperatively with scholars and librarians worldwide, Oxford Bibliographies offers exclusive, authoritative research guides across a variety of subject areas. Combining the best features of an annotated bibliography and a high-level encyclopedia, this cutting-edge resource directs researchers to the best available scholarship across a wide variety of subjects.

Oxford Handbooks Online is a collection of handbooks in 17 subject areas, bringing together the world's leading scholars to write review essays that evaluate the current thinking on a field or topic, and make an original argument about the future direction of the debate. For the first time, all Handbooks are available online as well is in print across the subject areas. Monthly updates introduce articles in advance of print publication and beyond the book, online-only content ensures the most current, authoritative coverage anywhere.

Including Oxford Scholarship Online (OSO), the University Press Scholarship Online (UPSO) publishes new books every month from an ever-growing roster of contributing presses, each adding to the variety of subjects covered on the platform. The MPG purchased the volumes 2003-2013/2014 of 16 OSO subject collections. This selection is continuously extended by single e-book acquisitions by MPG libraries.

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 database comprises numerous important periodicals published since 1997 in the Baltic States (Estonia, Latvia, Lithuania), Belarus, Moldova and Ukraine. It includes journals as well as neswpapers which are mostly in Russian and cover various issues of domestic and international importance.

PLOS (Public Library of Science) is a nonprofit publisher and advocacy organization founded to accelerate progress in science and medicine by leading a transformation in research communication. PLOS entered the publishing arena in October 2003 with the launch of PLOS Biology, followed in October 2004 by PLOS Medicine. Today, it publishes a suite of influential Open Access journals across all areas of science and medicine. The Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

Der eng an den Bedarfen der Fachcommunity orientierte Aufbau eines umfassenden Suchraums steht im Zentrum des Fachinformationsdienstes, der zeitnah und standortunabhängig den direkten Zugriff auf elektronische Verlagspublikationen (E-Books, E-Journals, E-Articles), wissenschaftliche Open Access-Dokumente, Forschungsdaten sowie Inhalte aus Fachdatenbanken und Zeitungsarchiven wie Factiva eröffnet. Gedruckte Publikationen, die für die Politikwissenschaftler/-innen nach wie vor von Bedeutung sind, ergänzen das Angebot dort, wo elektronische Ressourcen noch nicht verfügbar sind. So gelangt ohne Umwege die Literatur- und Fachinformation an den jeweiligen Arbeitsplatz der Wissenschaftler/-innen.Ab April2023haben registrierte Politikwissenschaftler:innen direkt über Pollux freien Zugriff auf den kostenpflichtigen Politikmonitoring- und Analysedienst Polit-X. Polit-X enthält Millionen aktuelle und historische politische Dokumente und Inhalte aus Bund, Bundesländern und Europa und bietet umfangreiche digitale Politikanalyse-Tools.

The central topic of the database is the history of the DPs (Displaced Persons) in Europe. For this purpose, approx. 3,000 documents, made available as image files and via full text search, have been compiled. A major amount of data originates from the Wiener Library in London and from the National Archives of the UK with holdings from the General Correspondence of the Foreign Office, the Control Office for Germany and Austria and the Control Commission for Germany. The project was tutored by Dan Stone (Royal Holloway College, University of London), who wrote an introductory essay. Further contributions to the topic supplementing the database were authored by famous historians, specializing in Jewish and DP history, from Great Britain, Germany and Israel, among them Michael Brenner (Munich) and Angelika Königseder (Berlin). Through the content from the Wiener Library, a certain emphasis lies on Jewish DP history.

Project MUSE is a leading provider of digital humanities and social science content for the scholarly community. Since 1995 the MUSE journal collections cover full-text versions of scholarly journals from many of the world's leading university presses and scholarly societies, with over 120 publishers currently participating.

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.

"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.

A digital archive of life sciences journal literature managed by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM).

PubPsych is a free information retrieval system for psychological resources, aiming to enhance the visibility of European and international psychological literature. It offers a comprehensive and balanced selection of resources from a growing number of international databases with a European focus, covering the needs of academic and professional psychologists. PubPsych includes more than 850,000 datasets and offers, where available, full-text linking, links to additional information and link resolving. Databases included: * PSYNDEX * PASCAL * ISOC-Psicología * MEDLINE® * ERIC * NARCIS * NORART * PsychOpen * PsychData

The Rockefeller University Press publishes three journals with a good standing in the biomedical field: * The Journal of Experimental Medicine, * The Journal of General Physiology, * The Journal of Cell Biology (formerly: The Journal of Biophysical and Biochemical Cytology). The MPG subscription also covers article-processing charges for Max Planck authors in the three journals by RUP. Further details are available on the MPDL website.

The database Russian Military and Security Periodicals comprises numerous journals and newspapers covering military and security developments in Russia, published since 1992. Issued by the Russian Military as well as independent sources, the publications cover all branches of the armed forces, including the Russian Air Force, Army and Navy. While the majority of titles is published in Russian, the collection also includes several English-language journals.

SAGE Journals Online provides access to more than 1000 journals with a coverage spanning the humanities, social sciences, and science, technology, and medicine. Max Planck researchers have full text access to a multidisciplinary selection of the full journal collection. In addition, the agreement covers article-processing charges for Max Planck authors in Gold Open Access journals and in hybrid titles in the SAGE Premier package. Further details are available on the MPDL website.

SciELO (Scientific Electronic Library Online) is a program of the Sao Paulo Research Foundation for the cooperative publishing of open access journals on the internet. Content includes regional journals from Latin American and the Caribbean as well as titles from Spain, Portugal and South Africa. The index covers approximately 650 titles (over 350 adding content to journals already covered in the Web of Science) and contains several million cited references.