JSTOR provides access to more than 12 million academic journal articles, books, and primary sources in 75 disciplines. Users from the Max Planck Society have access to selected archival collections of scholarly journals and more than 3,000 Open Access ebooks. The book selection is continuously extended by single e-book acquisitions by MPG libraries. For the archival collections, JSTOR's agreements with publishers include an updating provision referred to as a "moving wall". The moving wall is a fixed period of time ranging, in most cases, from two to five years, that defines the gap between the most recently published issue and the date of the most recent issues available in JSTOR.

The KOBV-Index is a central database that is maintained and regularly updated at KOBV-Zentrale. Der KOBV-Index ist eine zentrale Datenbank, die in der KOBV-Zentrale gepflegt und regelmäßig aktualisiert wird.

Traditionell liegt der Schwerpunkt der Sammlung auf Künstlermonographien (auch Ausstellungskatalogen), kunsttopographischer Literatur zu den Regionen und Orten Italiens sowie auf Quellenschriften

The Library of Congress Online Catalog is a database of books, serials, computer files, manuscripts, cartographic materials, music, sound recordings, and visual materials in the Library's collections.

LIVIVO bundles scientifically relevant resources from the subjects fields medicine, health, nutrition, environmental and agricultural sciences. It provides a common search interface over various data sources, such as library catalogs, specialist bibliographic databases, full texts from journals, and quality-controlled web content. LIVIVO combines the former ZB MED search portals MEDPILOT (2003 to 2015) and GREENPILOT (2009 to 2015).

MIA contains the writings of 592 authors representing a complete spectrum of political, philosophical, and scientific thought, generally spanning the past 200 years. Being a communist means working for the self-emancipation of the working class; it means striving to unite the working class, in all its diversity, in the struggle to overthrow capitalism. In the 1840s, Marx and Engels placed communism on a scientific footing through the theory of dialectical materialism. Marxists are those who have continued this ever since. If any one of the following criteria apply, the MIA Collective may decide to place the writer into the Reference Archive: (i) they pre-date Marx and Engels, (ii) they specifically reject Marxism, (iii) their work is practically and theoretically unconnected or hostile toward the workers movement, (iv) their work is idealistic or lacking in dialectic. Where a writer contributes to Marxist theory and practice for a part of their life, while other works lie outside of Marxism, then the whole of their writing will be placed in the Marxist Writers' Archive.Contains: Karl Marx/ Friedrich Engels - Werke ; Rosa Luxenburg; August Bebel; Antonio Gramsci ...

MEDLINE® is the United States National Library of Medicine's (NLM®) premier bibliographic database providing information from the following fields: Medicine, Nursing, Dentistry, Veterinary medicine, Allied health, Pre-clinical sciences. as well as information from international literature on biomedicine, including the following topics as they relate to biomedicine and health care: Biology, Environmental science, Marine biology, Plant and animal science, Biophysics, Chemistry. The database contains bibliographic citations and author abstracts from approx. 5,000 biomedical journals published in the United States and in 70 other countries. MEDLINE contains well over 13 million citations dating back to 1946. NLM uses a controlled vocabulary of biomedical terms to index articles, to catalog books and other holdings. MEDLINE’s controlled-vocabulary thesaurus contains Medical Subject Headings (MeSH®) to describe the subject of each journal article in the database. MeSH terms provide a consistent way of retrieving information that uses different terminology for the same concept. Within MEDLINE’s thesaurus, MeSH terms display hierarchically by category, with more specific terms arranged beneath broader terms.

MIT Press Direct is the content platform for publications owned by the MIT Press. The Press is one of the largest and distinguished university presses in the world and a leading publisher of books and journals at the intersection of science, technology, art, social science, and design. Within the Direct to Open (D2O) model Max Planck users have access to current ebooks from selected subject collections (published between 2022 and 2024), i.e. STEM collection, art and design collection, humanities and social sciences collection. The MPG subscription also covers the complete archive collection with more than 2,500 scholarly books spanning the publishing history of the MIT Press.

The Mohr Siebeck eBooks collection contains academic books, series and multi-volume works in the subject areas of theology, history, phiosophy, law, economics and sociology. The book selection is continuously extended by single e-book acquisitions and series purchases by MPG libraries.

The Max Planck e-Book Index provides holdings of electronic books licensed for users in the Max Planck Society.

The Max Planck Journal Index provides holdings of a great range of printed journals available within the Max Planck Society. Besides, it contains metadata of electronic journals as loaded from the EZB. The database is updated regularly from the ZDB (twice a year) and the EZB (monthly).

MPG.PuRe is the publication repository of the Max Planck Society. It contains bibliographic data and numerous fulltexts of the publications of its researchers. The repository is based on PubMan, a publication repository software developed by the Max Planck Digital Library. PuRe was introduced in the MPG in May 2009 and replaced the former institutional repository eDoc.

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 and Information Service (BIS) is the joint library for the Max-Planck-Institute for Meteorology (MPI-M) and five institutes of the Center for Earth System Science and Sustainability. The cooperation with some university institutes regarding the library exists since the foundation of the MPI-M in 1975.

The Otto Hahn Library is a special scientific library which provides the institutes on the Max Planck Campus at Göttingen-Nikolausberg with literature and information. Its holdings primarily consist of literature covering the fields of research of the institutes Multidisciplinary Sciences and Dynamics & Self-Organization.

Gemeinsamer Katalog des Max-Planck-Instituts für Biogeochemie und des Max-Planck-Instituts für Chemische Ökologie, Jena.

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.