AIP Conference Proceedings contain over 100,000 articles available from Vol. 1 (1970) onwards and is growing by 100 volumes every year. High quality proceedings of events in physics, materials science and relevant mathematical disciplines are published.

BioOne, a nonprofit organization, hosts and provides Web-based access to the full text of a uniquely valuable set of high-impact bio-science research journals. All of these journals are published by scholarly societies and other independent science publishers, and many are not available through other online services. Major areas of coverage include: Arachnology, Beetles, Crustaceans, Ecology, Botany, Entomology, Environmental science, Evolutionary biology, Ferns, Fish, Genetics, Lichens, Mammals, Microbiology, Mosses and liverworts, Natural history, Ornithology, Paleontology, Parasitology, Photobiology, Reproduction, Reptiles, Veterinary science, Zoology

Book Citation Index--Science (BKCI-S) and Social Sciences & Humanities (BKCI-SSH) The Book Citation Index is a multidisciplinary index to the literature of the sciences, social sciences, and humanities. Database Coverage: 2005 (copyright year) to the present

CAB Abstracts is a bibliographic database compiled by the non-profit organization CAB International. It covers the significant research and development literature in the fields of agriculture, forestry, aspects of human health, human nutrition, animal health, and the management and conservation of natural resources.

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.

CiteSeer is a scientific literature digital library and search engine that focuses primarily on the literature in computer and information science. CiteSeer aims to improve the dissemination and feedback of the scientific literature and to provide improvements in functionality, usability, availability, cost, comprehensiveness, efficiency, and timeliness in the access of scientific and scholarly knowledge.

Derwent Innovations Index (DII) is a comprehensive database of international patent information, merging records from the Derwent World Patents Index® with patent citation information from the Derwent Patents Citation Index® (Derwent PCI). The index provides web access to over 14 million basic inventions and more than 20 million patents, with coverage dating back to 1963 in some technology areas. The database gives users a comprehensive overview of inventions in the global marketplace in three categories: Chemical, Engineering, and Electrical & Electronic. The bibliographic records are enriched by citation data from Derwent PCI appearing in patents from 6 major patenting authorities. Derwent DCI provides details of citations, both patent and literature, reviewed by the examiner during the examination of a patent application. Prior to May 1997, examiner and author citations were provided for 16 patent-issuing authorities. The database also contains a backfile with patent records dating back to the 1970's. Every week approximately 25,000 patent documents from more than 47 patent-issuing authorities are reviewed and value enhanced by Derwent's patent experts. In addition, every week new cited and citing references are added for approximately 45,000 records from the six major patent-issuing authorities. The resource also includes Derwent Chemical Reactions (DCR), a unique database of searchable chemical structures and other substance-based information. It is used to search for specific compounds that are indexed in Derwent World Patents Index records.

Digi20 concentrates on the digitalization of monographs published in the second half of the 20th century, predominantly in the field of humanities and social sciences. In the first phase of the project, approx. 4,700 titles of programme segments of the publishers Vandenhoeck & Ruprecht, Wilhelm Fink / Ferdinand Schöningh as well as Otto Sagner were digitized. In a second phase, further approx. 1,750 titles are being included till 2014 by consecutively digitizing all monographs up to a defined ‘Moving Wall’ of three to five years to the current year of publication.

Duncker & Humblot is a German producer of high-quality academic research and scholarly publications, especially in the fields of law and social science. The Duncker & Humblot eLibrary provides users from the Max Planck Society with access to following products: * e-book collections 2007-2010, containing about 900 e-books in the fields of law, economics, social sciences, history, politics, philosophy and literary studies. * e-book collection Economics 1996–2005, containing about 360 e-books * e-book collection 'Best of reprints' Economics and Finance 1875–1941, containing about 100 e-books The collection 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.

FRANCIS indexes multilingual information and provides in-depth coverage of humanities and social sciences.

GeoReM is a Max Planck Institute database for reference materials of geological and environmental interest, such as rock powders, synthetic and natural glasses as well as mineral, isotopic, biological, river water and seawater reference materials. It contains published analytical data and compilation values (major and trace element concentrations and mass fractions, radiogenic and stable isotope ratios). GeoReM covers all important metadata about the analytical values such as uncertainty, analytical method and laboratory. Sample information and references are also included. GeoReM contains almost 3,400 reference materials, about 46,200 analyses from almost 10,000 papers, and preferred analytical values (State: November 2017).

GeoScienceWorld (GSW) is a nonprofit collaborative and comprehensive resource for research and communications in the earth sciences, which is built on a core database of peer-reviewed journals and is integrated with the GeoRef index. The platforms offers a single point of access to more than 40 full text scholarly journals from leading geoscientific organizations, plus specialized searching capabilities and links to millions of relevant resources hosted elsewhere on the Web. Though access to current volumes is no longer licensed, perpetual access rights have been granted to the content published until August 2018.

The IEEE Electronic Library (IEL) provides access to almost a third of the world's current electrical engineering and computer science literature, featuring high-quality content from the Institute of Electrical and Electronics Engineers (IEEE) and the Institution of Engineering and Technology (IET). IEL covers all IEEE journals, transactions, and magazines, IEEE conference proceedings, IET conference proceedings, IEEE published standards and IEEE Standards Dictionary Online. The subscription includes complimentary access to selected VDE VERLAG Conference Proceedings. Access is provided via the IEEE Xplore interface.

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.

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).

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.

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.