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.

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.

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).

The union catalog encompasses the holdings of the Bavarian State Library, of libraries of Bavarian Universities and Universities of Applied Sciences, of several regional libraries and of some institutions affiliated with churches or ministeries. Die Verbunddatenbank umfasst den Bestand der Bayerischen Staatsbibliothek, der Universitäts- und Fachhochschulbibliotheken, diverser staatlicher Regionalbibliotheken und einiger kirchlichen und ministeriellen Einrichtungen.

Clio-online is a central Internet gateway for historical scholarship in teaching and research. Sponsored by the Deutsche Forschungsgemeinschaft (DFG), the gateway enables efficient access to the diverse range of historical online ressources available to scholars and teachers within the field of history. Clio-online ist ein zentrales Internet Fachportal zur Geschichte. Seit Mai 2002 von der Deutschen Forschungsgemeinschaft gefördert, ermöglicht das Projekt durch seine Online-Dienste und Service-Angebote einen effizienten Zugang zu den umfangreichen Online-Ressourcen innerhalb der Geschichtswissenschaften.

Welcome to CogPrints, an electronic archive for self-archive papers in any area of Psychology, neuroscience, and Linguistics, and many areas of Computer Science (e.g., artificial intelligence, robotics, vision, learning, speech, neural networks), Philosophy (e.g., mind, language, knowledge, science, logic), Biology (e.g., ethology, behavioral ecology, sociobiology, behaviour genetics, evolutionary theory), Medicine (e.g., Psychiatry, Neurology, human genetics, Imaging), Anthropology (e.g., primatology, cognitive ethnology, archeology, paleontology), as well as any other portions of the physical, social and mathematical sciences that are pertinent to the study of cognition.

The DBLP server provides bibliographic information on major computer science journals and proceedings. Initially the server was focused on DataBase systems and Logic Programming (DBLP), now it is gradually being expanded toward other fields of computer science. You may now read "DBLP" as "Digital Bibliography & Library Project". The server indexes more than 380000 articles and contains several thousand links to home pages of computer scientists (May 2003).

Copac exposes rare and unique research material by bringing together the catalogues of c.90 major UK and Irish libraries. In a single search you can discover the holdings of the UK’s national libraries (including the British Library), many University libraries, and specialist research libraries.

DEPATISnet is a service provided to you by the German Patent and Trade Mark Office. You can conduct online searches in patent publications from around the world stored in the database of DEPATIS, the in-house patent information system of the GPTO.

The catalog comprises the holdings of the locations Leipzig since 1913, Frankfurt am Main since 1945, the holdings of the Deutsches Musikarchiv since 1976, and archival papers of the Deutsches Exilarchiv 1933-1945 since 2005. The catalog covers monographs, journals, maps and atlases, music and sound storage media, and dissertations published in Germany since 1913 (in print or electronically), in addition, translations from German into other languages and foreign-language works related to Germanic culture (since 1941). -- Der Katalog umfasst die Bestände der Standorte Leipzig seit 1913, Frankfurt am Main seit 1945, die Bestände des Deutschen Musikarchivs seit 1976 und die Archivalien des Deutschen Exilarchivs 1933-1945 seit 2005. Der Katalog beinhaltet in Deutschland seit 1913 erschienene Monografien, Zeitschriften, Karten und Atlanten, Musikalien und Tonträger, Dissertationen und Habilitationsschriften in gedruckter oder elektronischer Form, außerdem Übersetzungen aus dem Deutschen in andere Sprachen und fremdsprachige Germanica (seit 1941).

EconBiz - a suject portal for economics and business studies - supports you in retrieving economic literature. It offers a literature search across important German and international databases, including the holdings of ZBW, and provides access to information services of libraries. EconBiz - die Virtuelle Fachbibliothek Wirtschaftswissenschaften - unterstützt Sie bei der Recherche wirtschaftswissenschaftlicher Fachinformationen. Sie können in Internetquellen, in Online-Katalogen und Volltexten recherchieren und auf Informationsdienstleistungen von Bibliotheken zugreifen. Enthält neben aktueller Literatur viele Publikationen , die für Wirtschaftshistoriker interessant sind (1500 ff).

Throughout Europe, national patent offices and the European Patent Office (EPO) offer free patent information on the Internet Patents reveal solutions to technical problems, and they represent an inexhaustable source of information: more than 80 percent of man's technical knowledge is described in patent literature. From the middle of 1998 onwards, esp@cenet users have been able to access the bibliographic data of all patents published in the preceding two years by any member state of the European Patent Organisation, as well as by the European Patent Office and the World Intellectual Property Organization (WIPO). In addition, full-page facsimile images of documents are also retrievable to facilitate more detailed analysis of these documents. The data for this particular service is stored at the relevant national office.

EUR-Lex provides free access to public EU documents in the 24 official languages. This includes: * the Official Journal of the European Union * EU law (EU treaties, directives, regulations, decisions, consolidated legislation, etc.) * preparatory acts (legislative proposals, reports, green and white papers, etc.) * EU case-law (judgements, orders, etc.) * international agreements * EFTA documents * other public documents EUR-Lex is based on the CELEX database, and is updated daily.

The ExPASy (Expert Protein Analysis System) proteomics server from the Swiss Institute of Bioinformatics (SIB) is dedicated to molecular biology with an emphasis on data relevant to proteins. It allows you to browse through a number of databases produced in Geneva, such as Swiss-Prot, PROSITE, SWISS-2DPAGE, SWISS-3DIMAGE, ENZYME, as well as other cross-referenced databases (such as EMBL/GenBank/DDBJ, OMIM, Medline, FlyBase, ProDom, SGD, SubtiList, etc). It also allows access to many analytical tools for the identification of proteins, the analysis of their sequence and the prediction of their tertiary structure. ExPASy also offers you many documents relevant to these field of research and you will find from the servers, links to most relevant sources of information across the Web. Swiss-2DService is a non-profit 2-D PAGE service to the scientific community. ExPASy was created in August 1993, it was one of the first WWW servers for biological sciences. Since that date it has undergone constant modifications and improvements.

F1000 Research is an open research and open access publishing platform, providing a suite of publishing services directly to researchers, research funders and institutions. The platform supports innovative features such as post-publication peer review, open peer review, and publication of negative results. The Max Planck Society covers article-processing charges for the open access journal F1000Research centrally. Further details are available on the MPDL website.

The information contained in this web site, and its associated web sites, including but not limited to FindLaw, the CyberSpace Law Center, the LawCrawler, LegalMinds and the University Law Review Project, is provided as a service to the Internet community, and does not constitute legal advice. We try to provide quality information, but we make no claims, promises or guarantees about the accuracy, completeness, or adequacy of the information contained in or linked to this web site and its associated sites.

GBV is the Common Library Network of the German Federal States Bremen, Hamburg, Mecklenburg-Vorpommern, Niedersachsen, Sachsen-Anhalt, Schleswig-Holstein and Thüringen. The head office of the GBV (VZG) is situated in Göttingen. The GBV has established a virtual library in form of the GBV Union Catalogue (GVK) combining the resources of all participating libraries and making them easily accessible to the public.

Google Patents is a service from Google to search and read the full text of patents from around the world. Non-patent literature can be included to the search strategy via Google Scholar.

H1 Connect is a literature awareness and recommendation tool that comprehensively highlights and reviews the most interesting papers published in biology and medicine. It is based on the recommendations of a faculty of selected leading scientists and enables researchers to set up a personalized literature service.

The union catalog lists the holdings of all scientific libraries in Hessen and Rheinhessen. Inter-library loan requests may be submitted.

The Internet Archive is a non-profit organization that offers permanent access for the general public to historical collections that exist in digital format. The Internet Archive includes collections of digitized materials, including websites, software applications and games, music, movies and videos, moving images, and nearly three million public-domain books. The Internet Archive allows the public to upload and download digital material , but most of its data is collected automatically by its web crawlers to preserve as much of the public web as possible. The Wayback Machine, a huge web archive, contains over 150 billion web captures.

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.

Latest Thinking (LT) aims to facilitate access to scientific research by asking leading researchers to explain their publications to a wider audience. Together with the scholars LT produces videos on their respective studies and collects those videos on the LT platform. In the videos, the researchers tell you what their question was, how they approached the problem, what they found out, where the relevance of their studies lies and how they or others may further deal with the subject. The Max Planck Society covers the video production charges for invited Max Planck researchers centrally. Further details are available on the MPDL website.

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 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).

This resource lists those electronic journals in which Max Planck authors can publish open access free of charge because the article processing charges (APCs) are supposed to be covered by central funds. The dataset currently contains nearly 7500 journals and is also available as JSON export.

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.

NMRShiftDB is a web database for organic structures and their nuclear magnetic resonance (nmr) spectra. It allows for spectrum prediction (currently only for carbon) as well as for searching spectra, structures and other properties. Last not least, it features peer-reviewed submission of datasets by its users.

Indice SBN is the union catalog of the Italian libraries that have joined the National Library Service. The National Library Service (SBN) is the library network in Italy created by Ministry for Cultural and Environmental Asset with the cooperation of the regions and universities. Libraries participating in the SBN project are more than 1000, among others the National Central Libraries in Rome and Florence, as well as state, city, university and academic libraries. Indice SBN provides access to bibliographic records which are periodically downloaded from the SBN Modern Books and Periodicals, Older Books and Music databases.

The SSRN eLibrary consists of two parts: an Abstract Database containing abstracts on over 60,500 scholarly working papers and forthcoming papers and an Electronic Paper Collection currently containing over 38,400 downloadable fulltext documents in Adobe Acrobat pdf format. The eLibrary also includes the research papers of a number of Fee Based Partner Publications.

The BSZ develops and maintains the SWB database in cooperation with 1,200 libraries in Baden-Württemberg, Pfalz, Saarland and Sachsen. The online catalog offers bibliographic data free of charge: Monographs, periodicals, articles, loose-leaf collections, off-prints, conference proceedings, university publications, reviews, abstracts, tables of contents, maps, music, audiovisual material, microforms, electronic resources (data media), online resources; scientific and popular literature from all subjects and in all languages from the 15th century to the present; scientific literature (according to the DFG special subject fields programme) from theology, ancient orient, art, music, archeology, law and criminology;

Patent databases of the U.S. Patent and Trademark Office: U.S. patent specifications (including utility, design, reissue, plant patents and SIR documents) in full text since 1976, full page images are available for the period from 1790. Patent applications in full text since March 15, 2001. Please note: Patents from 1790 to 1975 are only searchable by patent number, issue date and current U.S. classification. The Patent Public Search tool is a new web-based patent search application that replaced legacy search tools PatFT and AppFT.

The MPI-Mainz-UV-VIS Spectral Atlas is a comprehensive collection of absorption cross sections for gaseous molecules and radicals, primarily relevant to atmospheric research, from measurements performed during the last nine decades. The individual data sets were collected from the original publications, either copied from tabulations, or read from figures in those cases where numerical data could no longer be obtained. Other sources rely on the internal databases of several research centers dealing with atmospheric chemistry and/or molecular spectroscopy. Numerous excellent high-resolution spectra were obtained from personal communications with the scientists.

The vifabio portal offers rapid access to biological literature and information. It offers a parallel search in various biologically relevant library catalogues, bibliographic databases, and the internet guide (a collection of selected, quality controlled internet sources).

EVIFA, the portal of Social and Cultural Anthropology, offers anthropological and folkloristic information from one source. It gives a fast, comprehensive access to specific information for anthropological research, regardless of the where about.

The Subject Gatewy for Law is an instrument for the legal information retrieval. It provides straightforward access to legal information in the Internet. Die Virtuelle Fachbibliothek Recht ist ein Instrument für die rechtswissenschaftliche Online-Recherche. Sie bietet einen ortsunabhängigen und unkomplizierten Zugang zu rechtswissenschaftlichen Fachinformationen im Internet.

WALS is a large database of structural (phonological, grammatical, lexical) properties of languages gathered from descriptive materials (such as reference grammars) by a team of more than 40 authors (many of them the leading authorities on the subject). WALS consists of a number of maps with accompanying texts on diverse features (such as vowel inventory size, noun-genitive order, passive constructions, and "hand"/"arm" polysemy), each of which is the responsibility of a single author (or team of authors). Each map shows between 120 and 1370 languages, each language being represented by a symbol, and different symbols showing different values of the feature.

Databases of the World Intellectual Property Organisation (WIPO) including patents,trademarks (brands) and industrial designs. Please note: Data coverage depends on the scope of national collections.

The World Loanword Database, edited by Martin Haspelmath and Uri Tadmor, is a scientific publication by the Max Planck Institute for Evolutionary Anthropology. It provides vocabularies (mini-dictionaries of about 1000-2000 entries) of 41 languages from around the world, with comprehensive information about the loanword status of each word. It allows users to find loanwords, source words and donor languages in each of the 41 languages, but also makes it easy to compare loanwords across languages. Each vocabulary was contributed by an expert on the language and its history. An accompanying book has been published by De Gruyter Mouton (Loanwords in the World's Languages: A Comparative Handbook, edited by Martin Haspelmath & Uri Tadmor). The World Loanword Database consists of vocabularies contributed by 41 different authors or author teams.