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.

The Scitation platform offers access to electronic journals published by the American Institute of Physics and its member societies. Users from the MPG have access to journals of following societies: * Acoustical Society of America (ASA) * American Association of Physics Teacher (AAPT) * American Institute of Physics (AIP), incl. AIP Conference Proceedings * Chinese Physical Society * Laser Institute of America * Science & Technology of Materials, Interfaces, and Processing (AVS) * Society of Rheology The MPG subscription covers article-processing charges for Max Planck authors in AIP's own journals and in most of AIP's partner societies journals. Further details are available on the MPDL website.

The American Physical Society publishes the Physical Review journal collection of 15 leading peer-reviewed research journals includes Physical Review Letters, Physical Review X, Physical Review, and Reviews of Modern Physics. The MPG subscription covers full text access to the entire journal collection as well as article-processing charges for most APS journals. Further details are available on the MPDL website.

Das Biographisch-Bibliographische Kirchenlexikon (BBKL) ist ein biographisches Nachschlagewerk zur Kirchengeschichte, begründet 1975 von Friedrich Wilhelm Bautz. Mit über 20.000 Artikeln, die sowohl von renommierten Wissenschaftlern als auch von interessierten Laien verfasst wurden, gilt das BBKL als sehr aktuelle und umfangreiche biographische Informationsquelle zu Personen der Kirchen-, aber auch der Philosophiegeschichte. Nur der auf knappe Kurzinformationen beschränkte biografische Teil der BBKL ist kostenfrei zugänglich, der Rest ist lizenzpflichtig.

BioMed Central is an STM (Science, Technology and Medicine) publisher of 270 peer-reviewed open access journals. The portfolio of journals spans all areas of biology, biomedicine and medicine and includes broad interest titles, such as BMC Biology and BMC Medicine alongside specialist journals, such as Retrovirology and BMC Genomics. The Max Planck Society is a BMC member and covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

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

Brill is an academic publishing house with a strong international focus. The main subject areas of Brill's publication program are Ancient Near East & Egypt, Asian Studies, Biblical Studies & Religious Studies, Classic Studies, Medieval & Early Modern Studies, Middle East & Islamic Studies, Social Sciences and STM & Biology. Content available: 152 titles (part of DFG license).

The platform provides access to Brill's reference works, including: * Brill's New Pauly and Der Neue Pauly have become a recognized standard reference work for students and scholars of the ancient world. Now, the complete original Der Neue Pauly together with Brill’s New Pauly are offered online. New Pauly Online will allow the researcher to have the most complete database available. New Pauly Online is automatically updated whenever a new volume is published. * The Encyclopedia of Islam (New Edition) sets out the present state of our knowledge of the Islamic World. It is a unique and invaluable reference tool, an essential key to understanding the world of Islam, and the authoritative source not only on the religion, but also on the believers and the countries in which they live. * Lexicon Gregorianum Online is the most comprehensive Greek-German dictionary of the language used by Gregory of Nyssa. It is the only dictionary available specifically addressing the vocabulary of late Classical Greek. It documents Gregory's complete vocabulary, taking account of the syntax, meaning and connotations of every occurrence of a key word in his writings. Further reference works may be available due to local subscription.

Brill Scholarly Editions is a text edition platform, providing access to selected Brill's reference works, including: * The Coptic Gnostic Library Online continues where the Dead Sea Scrolls left off. The main sources of information for the Gnostic religion are the so-called Nag Hammadi codices, written in Coptic. * Gregorii Nysseni Opera Online is the ultimate online critical text edition of Gregory of Nyssa's works based on all available known manuscripts, introduced with a complete discussion of the textual transmission and accompanied by extensive annotations on the biblical, classical and patristic sources, and indices. The platform provides interactive reading of text editions supported by critical editions, facsimiles, translations, commentaries, and is designed to display parallel texts side by side.

The database contains full texts of 426 British popular science, art science and literary periodicals from between the 17th and the 20th century.

Crystallography Journals Online provides access to following eight academic journals published by the scientific society International Union of Crystallography in association with Wiley: Acta Crystallographica Sections A to F, Journal of Applied Crystallography and Journal of Synchrotron Radiation. Users from the Max Planck Society have full text access to all articles, including the complete journal archive reaching back to 1948.

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

DigiZeitschriften is a digital library containing digitized back issues of core German research journals. At the moment the platform provides full-text access to more than 600 journals dating back to 1850. The archive content is edited on an ongoing basis. Any existing gaps will be filled and missing data steadily added. Users from the MPG have access to the complete journal collection, older public domain content is available free of charge to anyone.

The trilingual termbase DIN-TERM provides translations for German, French or English standardized terms. The database contains concepts from valid and withdrawn standards, draft standards and specifications.

Brill’s all-new Third Edition of the globally respected Encyclopaedia of Islam (EI3), the preeminent reference work in the field, began publication in the spring of 2007. EI3 is an entirely new work, which rigorously maintains the comprehensiveness and reliability of the great multivolume set, with new articles reflecting the great diversity of current scholarship. The EI3 appears in four substantial parts each year, both online and in print. The new scope includes comprehensive coverage of Islam in the twentieth century, attention to Muslim minorities all over the world, full attention to social science as well as humanistic perspectives.

The Encyclopedia of Law and Religion Online deals with questions of freedom of religion and belief as well as the relation between state and religion in its various aspects, covering all independent nations and jurisdictions along with the major international organizations. Each article provides information on socio-religious facts, historical background, religious communities, religious freedom and the legal situation, such as labor, family and criminal law in the respective country.

Frontiers is a community-oriented open-access academic publisher and research network. It was launched in 2007 by scientists from the Swiss Federal Institute of Technology in Lausanne and aims to provide better tools and services to researchers in the Internet age. Since then, Frontiers has become one of the fastest-growing open-access scholarly publishers: over 400,000 high-quality, peer-reviewed articles have been published in about 200 community-driven journals across more than 300 specialty niches in science, medicine and technology. The Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

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 CRC Handbook of Chemistry and Physics (HBCP), updated annualy, provides broad coverage of all types of physical science data commonly encountered by scientists and engineers. It consists of tables of data and current international recommendations on nomenclature, symbols and units. A new series highlights the achievements of some of the major historical figures in chemistry and physics.

The Journal de Physique was created in 1872 by Charles d'Almeida. It counts more than 300,000 pages in over 48,500 articles and represents a true scientific monument, produced since 1872, within which the great names of physics may be found.