arXiv is an e-print service in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. It provides access to more the 1.3 million e-prints. The Max Planck Society is a member institution of arXiv.

Astronomy & Astrophysics is an international journal which publishes papers on all aspects of astronomy and astrophysics (theoretical, observational, and instrumental) independently of the techniques used to obtain the results. Max Planck researchers have full text access to all A&A volumes. In addition, the Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

The collection "FID Benelux 2022-2024" of Amsterdam University Press (AUP) includes journals with reference to The Netherlands in history, culture, society, language and literature. Available titles are: - De Moderne Tijd - Jaarboek De Achttiende Eeuw - Mens en Maatschappij - Pro Memorie - Tijdschrift voor Nederlandse Taal - en Letterkunde Further OA content via 'subscribe to open' (S2O): - Queeste - Tijdschrift voor Geschiedenis - Tijdschrift voor Taalbeheersing - Trajecta

Australian Education Index (AEI) is a comprehensive collection of educational research documents relating to educational trends, policy, and practices. The database is produced by the Cunningham Library at the Australian Council for Educational Research and is Australia's largest source of education information. Coverage includes trends and practices in teaching, learning and educational management.

BASE is a multidisciplinary search engine for scholarly internet resources which have been harvested from several hundred scientific repositories. Some of the indexed resources in BASE are subject to license, while most material is free available ("open access").

Berghahn Journals Online provides a high-performing responsive-design platform for Berghahn Journals, which is the journals division of Berghahn Books, an independent scholarly publisher in the humanities and social sciences.

The Staatsbibliothek zu Berlin - Preußischer Kulturbesitz (Berlin State Library - Prussian Cultural Heritage) acquires texts from all fields of knowledge in all languages, in every available form, from all epochs and all countries of the world - providing the materials are of interest for academic and research purposes. Current holdings and collections include printed works from many centuries, manuscripts, music autographs, maps, globes, atlases, newspapers and periodicals, various microformed materials, an increasing number of digitally presented texts as well as extensive databases.

The Bibliography of the History of Art (BHA) contains abstracts and indexes of current publications in the history of art, including scholarly journals, conferences, book, exhibition reviews, and exhibition catalogues. The records consist of bibliographic citations, abstracts, and indexing. Note that the database search includes BHA, covering 1990-2007, the International Bibliography of Art (IBA), covering the years 2008 and part of 2009, and the Répertoire de la litterature de l'art (RILA), one of the predecessors of BHA, with records that cover 1975–1989.

With more than 700.000 items, the BBF is today Europe's second largest library specialised in education. Like the Herzog-August-Bibliothek in Wolfenbüttel, it belongs to the association of German cultural research libraries fulfilling a national role.

Brill's Biology E-Books Online is the electronic version of the book publication program of Brill in the field of Biology 2007-2020.

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

Get a comprehensive view of life sciences research, including the most important discoveries, significant influences and relevant connections. BIOSIS Citation IndexSM combines critical BIOSIS® content with powerful citation indexing and Web of Science search and discovery capabilities. The resource provides seamless searching of nearly 5,000 journal titles and 20 million records in the life sciences field, as well as 165,000 documents from more than 1,500 meetings, with coverage dating back to 1926. Cited References are added for all BIOSIS® records back to 2006. For items added prior to 2006, citation data will only be available if they also are covered in the Web of Science Core Collection.

BIOSIS Previews® is the world's most comprehensive reference database for life science research. It covers original research reports and reviews in biological and biomedical areas. Coverage includes traditional areas of biology, such as botany, zoology and microbiology, as well as related fields such as biomedical, agriculture and ecology. Interdisciplinary fields such as medicine, biochemistry, biophysics, bioengineering and biotechnology are also included. Nearly 5,500 serials are monitored for inclusion. In addition, the database covers content summaries, books and meeting abstracts, papers and posters. Content summaries include notes and letters, technical data reports, reviews, U.S. patents from 1986 to 1989 and from 1999, meeting reports from 1980 to present, bibliographies, nomenclature rules, and taxonomic keys. The BIOSIS Previews database includes the contents of Biological Abstracts (1969 to present), Biological Abstracts/RRM (1980 to present) and BioResearch Index (1969 to 1979). As part of the Web of Science (WoS) BIOSIS Previews permits convenient use of Biosystematic Codes/Names for searching groups of organisms as well as the use of Concept Codes/Headings that represent broad subject areas.

Birds of the World (BOW) is a powerful research database that brings together deep, scholarly content from celebrated works of ornithology with millions of bird observations from eBird and multimedia from the Macaulay Library into a single platform where biologists and birders can explore comprehensive life history information on birds. BOW content is written by ornithologists all over the world and was amassed from four major celebrated works of ornithology: Birds of North America, The Handbook of Birds of the World, Neotropical Birds, and Bird Families of the World.

Bloomsbury Education and Childhood Studies (BECS) offers a systematic and comparative look at key education levels and the study of cognitive and psychosocial development through early childhood and youth. The Collection includes eBooks, policy reports, country overviews and helpful research tools, allowing researchers to study and build an understanding of education systems, policies, and the nature of childhood and youth experience in different countries throughout the world.

The resource grants access to the archival volumes of 29 medical journals (partly with high impact factor) published by the British Medical Journals Publishing Group, amongst others to the renowned British Medical Journal. Access to content before 2006 is enabled by the publisher at no cost, content is publicly available.

BN-OPALE PLUS combines into one catalog the records for the printed, sound, audiovisual, and multimedia materials collected by the Bibliothèque nationale de France (BnF) from its beginnings to the present day. The BN-OPALE PLUS catalog contains records for: * Books and periodicals making up the heritage collections, stored in BnF's François-Mitterrand Library, * Microfiche and microfilm, mostly created from heritage materials, * A selection of books and periodicals from special departments, * Open-Access materials from all the BnF libraries, * Sound recordings, videos, multimedia, and electronic materials comprising the heritage collections * Printed material and periodicals digitized by BnF, mostly in image format, * Electronic periodicals of which BnF also has the printed version, * Still images digitized by BnF, * Special materials regarding performing arts (pamphlets, programs, manuscripts,...) and cinema (movie posters, photographs). In addition, this catalog offers authority records containing extensive information on access rights (intellectual property rights and copyrights, subject matter, certificates, brand names, and others).

Book Sales Catalogues Online offers a comprehensive bibliography of book sales catalogues printed in the Dutch Republic before 1801, providing full access to some 4,000 digital facsimiles from ca. 50 libraries across Europe. These catalogues are a key primary source for research on the history of the book and libraries, the history of ideas, the history of collecting, the history of literature, and the history of art. The catalogues contain information on books from all over Europe in various languages, such as Dutch, French, and Latin.