Cambridge Books Online is the online content delivery service for Cambridge University Press's electronic book collections. The current MPG subscription comprises selected subject collections, additional content may have been licensed by individual Max Planck institutes. Max Planck authors can publish their scientific work at CUP as an Open Access eBook, with book publishing charges partly covered centrally. Further details are available on the MPDL website.

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

From the first book published in English, the book from William Caxton, through the age of Spenser and Shakespeare and the tumult of the English Civil War, this collection contains about 100,000 of over 125,000 titles listed in Pollard & Redgrave's Short-Title Catalogue (1475-1640) and Wing's Short-Title Catalogue (1641-1700) and their revised editions, as well as the Thomason Tracts (1640-1661) collection and the Early English Books Tract Supplement. -- Angefangen vom ersten in englischer Sprache veröffentlichten Buch, das Buch von William Caxton, hindurch durch das Zeitalter von Spenser und Shakespeare und den Tumult des Englischen Bürgerkrieges, umfasst diese Sammlung mehr als 100.000 der 125.000 in den Kurztitelkatalogen von Polard & Redgrave (1475-1640) und Wing (1641-1700) gelisteten Bücher im Volltext. Hinzu kommen die Titel der Thomason Tracts-Sammlung (1640-1661) und das Early English Books Tract Supplement.

The collection licensed by the DFG comprises 1000 e-Books. In addition, access to 3,400 free electronic books from all subject areas is provided.

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.

Language Description Heritage (LDH) provides open access to descriptive material about the world's languages with a focus on traditionally difficult to obtain works. This collection is being compiled at first by the Max Planck Institute for Evolutionary Anthropology and now by the Max Planck Institute for the Science of Human History. -- Language Description Heritage (LDH) ist eine Datenbank, die freien Zugriff auf deskriptive Materialien zu den Sprachen der Welt gewährt. Dabei legt den Schwerpunkt auf überlicherweise schwer erhältlich Arbeiten. Die Sammlung wurde zuerst am Max-Planck-Institut für Evolutionäre Anthropology angelegt und wird nun am Max-Planck-Institut für Menschheitsgeschichte fortgeführt.

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

The Oxford English Dictionary is a guide to the meaning, history, and pronunciation of over half a million words and phrases, both present and past, from across the English-speaking world. It traces the usage of words through 3.5 million quotations from a wide range of international English language sources, from classic literature and specialist periodicals to film scripts, song lyrics and social media posts.

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 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.

zbMATH Open (formerly known as Zentralblatt MATH) is the world's most complete and longest running abstracting and reviewing service in pure and applied mathematics. The MATH Database contains several million entries drawn from more than 3,500 serials and journals, and more than 1,100 book series and monographs. The entries are classified according to the Mathematics Subject Classification Scheme (MSC 2000).