The library of the Max Planck Institute for the History of Science is an interdisciplinary special library focussing in its collections on the history of science. Its inventory, built up since 1994, is only available to scientists from the institute and is not part of the interlibrary loan system.

The Library of the Max-Planck-Institute for the Study of Religious and Ethnic Diversity is a specialized library with a focus on religious studies, anthropology, political science and sociology. The library does not participate in interlibrary loans but serves as a reference library to provide literature and information, mainly to the members of the Institute.

Established in 1968 by the Spiritual Administration of the Muslims of Central Asia and Kazakhstan, and in continuous publication until its closure in 1991, the journal Muslims of the Soviet East was the only Islamic periodical carrying the official seal of approval of the Soviet government. As with many foreign language publications in the Soviet Union, the target audience of the journal were not its citizens but readers abroad. The Muslims of the Soviet East Archive contains the most complete collection of the journal in the English language and provides researchers an insight into the life of Soviet Muslims, journal’s obvious propagandistic slant and purpose notwithstanding.

Nomos eLibrary provides access to academic books and journals in the subject areas of law, political sciences, economics, media and communication sciences, history, sociology, education and cultural studies, European Union, health sciences. The book selection has been continuously extended through the acquisition of individual eBook packages by MPG libraries. From volume 2022 onwards, access is given to the complete Nomos eBook portfolio. Max Planck researchers can publish their scientific work with Nomos as a print and in parallel as an Open Access eBook in the Nomos eLibrary. Further details are available on the MPDL website.

North American Immigrant Letters, Diaries and Oral Histories includes thousands of authors and approximately 100,000 pages of information, thus providing a unique and personal view of what it meant to immigrate to America and Canada between 1800 and 1950. Composed of contemporaneous letters and diaries, oral histories, interviews, and other personal narratives, the series provides a rich source for scholars in a wide range of disciplines. In selected cases, users will be able to hear the actual audio voices of the immigrants.

The Stormont Administration ran Northern Ireland as a province of the UK from 1921-72. This digital resource offers fulltext searching of facsimile images of the complete record of Stormont from the Public Record Office of Northern Ireland, along with new interpretative essays and resources. "CAB 4" represents a unique record of "how government actually works" through turbulent and often violent times.

OECD iLibrary is the online library of the Organisation for Economic Cooperation and Development (OECD) featuring its books, papers and statistics and is the gateway to OECD’s analysis and data. It also contains content published by the International Energy Agency (IEA), the Nuclear Energy Agency (NEA), the OECD Development Centre, PISA (Programme for International Student Assessment), and the International Transport Forum (ITF).

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.

Periodicals Archive Online is a major archive that makes the backfiles of scholarly periodicals in the arts, humanities and social sciences available electronically, providing access to the searchable full text of hundreds of titles. The database spans more than two centuries of content, 37 key subject areas, and multiple languages.

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.

The Miras Maktoob collection of Persian e-books consists of 249 volumes (189 works) originally published by the Written Heritage Research Institute (Miras Maktoob), a non-governmental organization in Tehran. These e-books contain both Persian and Arabic works on Islamic history and culture in the broadest sense.

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.

This Slavic Studies Bundle by Brill comprises 14 digitized collections with rare and often unique materials covering various aspects of Russian and Soviet 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.