Karger is a scientific publisher of journals and books in all medical areas, including immunology, genetics, oncology, nephrology, neurology, cellular and molecular biology. MPG staff has full text access to the current content of the entire Karger journal collection and selected eBooks. In addition, the agreement covers arising article-processing charges for Max Planck authors in Karger hybrid and Gold Open Access journals. Further details are available on the MPDL website.

The Karlsruhe Virtual Catalogue (KVK) is a meta search engine which allows you to simultaneously access selected library and book trade catalogs worldwide. Altogether, these resources contain hundreds of millions of books, magazines and other media.

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.

Online-Ausgabe von Kürschners Deutschem Gelehrten-Kalender, die immer auf dem aktuellen Stand gehalten wird und die gezielte Suche nach Kriterien wie z.B. dem Fachgebiet ermöglicht. Zusätzlich zur gedruckten Ausgabe sind Angaben zu ca. 8.800 Personen, die seit 1996 als verstorben ermittelt wurden.

Various dictionaries are available (incl. Duden).

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.

LexiQamus is a reference work and online tool for identifying and analyzing illegible words from Ottoman-Turkish texts. It can even be used to search for the recognisable parts of a word. Based on over 170,000 words and phrases from 19 different dictionaries, LexiQamus comprises the entries of the reference work "A Turkish and English lexicon" (1890) by James Redhouse and all content from the website osmanlicasozlukler.com which collects entries from Ottoman dictionaries.

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.

The Linguistic Bibliography Online is an essential linguistic reference tool and provides over 300.000 bibliographical references to scholarly publications in linguistics. The database covers all disciplines of theoretical linguistics, both general and language specific. Material is included concerning all geographical areas. Particular attention is given to endangered and extinct languages as well as lesser known Indo-European and non-Indo-European languages. These latter areas are not usually covered by other bibliographies. Up-to-date information is guaranteed by the collaboration of some forty contributing specialists from all over the world. With annually over 20.000 records added, arranged according to a state-of-the-art system of subject and language descriptors, the Linguistic Bibliography remains the standard reference work for every scholar of linguistics.

The Lin|gu|is|tik portal provides scientific information on all areas of linguistics, ranging from general and comparative linguistics, over the major European philologies to endangered and ancient languages. The portal pursues an interdisciplinary approach, enabling scholars and students to transcend the disciplinary boundaries for their academic work. Das Lin|gu|is|tik-Portal bietet Fachinformationen zu allen Bereichen der Sprachwissenschaft, von Allgemeiner und Vergleichender Linguistik über die größeren europäischen Einzelphilologien bis hin zu kleinen, bedrohten oder alten Sprachen. Das Portal ist interdisziplinär ausgerichtet, um Linguisten und Studierenden wissenschaftliches Arbeiten über die eigenen Fachgrenzen hinaus zu ermöglichen.

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).

Founded in 1980, Mary Ann Liebert, Inc. is a leading company in the Scientific, Technical, and Medical knowledge and information industry. The publisher is known for authoritative international publications in cutting-edge basic and translational biomedical research, with expanding scope in engineering, business, environment, and legal publications. The MPG subscription also covers article-processing charges for Max Planck authors in MAL journals. Further details are available on the MPDL website

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.

American English dictionary, encyclopedia, etymologies, Spanish-English dictionary

The Microbiology Society publishes 6 journals containing high-quality research papers, topical review articles and other important research outputs. Microbiology, launched in 1947, is the founding and flagship journal from the society. Reflecting the diversity and importance of microbiology in current global challenges it brings together scientists from all microbiological disciplines and from around the world. Max Planck researchers have access to the full journal collection, including archival content dating back to 1947. In addition, the Max Planck Society covers article-processing charges for Max Planck authors publishing in the Microbiology Society's journals centrally. Further details are available on the MPDL website.

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 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.

Die Campus-Bibliothek für Informatik und Mathematik ist die gemeinsame Bibliothek des Max-Planck-Instituts für Informatik Saarbrücken (MPI-INF), des Max-Planck-Instituts für Softwaresysteme Saarbrücken (MPI-SWS), des Deutschen Forschungszentrums für Künstliche Intelligenz GmbH (DFKI) und der Fachrichtungen Informatik und Mathematik der Universität des Saarlandes.