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.

Cogitatio is an academic and community-oriented publisher based in Lisbon, which was founded in 2014 with the aim of promoting the open access dissemination of scientific knowledge. Cogitatio currently publishes 4 peer-reviewed Open Access journals focusing on research in the social sciences and humanities. From January 1, 2023, the Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

The Cognitive Linguistics Bibliography (CogBib) is an electronic database that covers a wide range of subjects within the broader field of cognitive linguistics. The most important function of CogBib is to make scholars both in and outside of the field of cognitive linguistics aware of the diverse research output available on a range of given topics.

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.

This collection of over 2,300 formerly classified U.S. government documents (most of them classified Top Secret or higher) provides readers for the first time with the declassified documentary record about the successes and failures of the U.S. intelligence community in its efforts to spy on the Soviet Union during the Cold War.

Columbia International Affairs Online (CIAO) is the most comprehensive source for theory and research in international affairs. It publishes a wide range of scholarship from 1991 onward that includes working papers from university research institutes, occasional papers series from NGOs, foundation-funded research projects, proceedings from conferences, books, journals and policy briefs. CIAO is also widely-recognized source for teaching materials including original case studies written by leading international affairs experts, course packs of background readings for history and political science classes, and special features like the analysis of a bin Laden recruitment tape with video.

The Company of Biologists, established in 1925, is a non-profit organization whose objectives are the advancement and promotion of research in, and the study of, all branches of biology. The Company's journals "Development", "Journal of Cell Science", and "The Journal of Experimental Biology" are international in their outlook, reputation and readership. The Open Access journals "Disease Models & Mechanisms" and "Open Biology" join this portfolio. The MPG subscription also covers article-processing charges for Max Planck authors in all The Company of Biologists' journals. Further details are available on the MPDL website

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).

The Confidential Print series, issued by the British Government between c. 1820 and 1970, covers the most important papers generated by the Foreign and Colonial Offices. These range from single-page letters or telegrams to comprehensive dispatches, investigative reports and texts of treaties. All items marked ‘Confidential Print’ were printed and circulated immediately to leading officials in the Foreign Office, to the Cabinet and to heads of British missions abroad. This collection consists of the Confidential Print for the countries of the Levant and the Arabian peninsula, Iran, Turkey, Egypt and Sudan. Beginning with the Egyptian reforms of Muhammad Ali Pasha in the 1830s, the documents trace the events of the following 150 years, including the Middle East Conference of 1921, the mandates for Palestine and Mesopotamia, the partition of Palestine, the 1956 Suez Crisis and post-Suez Western foreign policy, and the Arab-Israeli conflict. This collection is available on the platform Archives Direct which features content from Sources from The National Archives, UK

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.

Copernicus Publications has been publishing highly reputable peer-reviewed open access journals since 2001. Through interactive, multi-stage open access publishing, Copernicus aims to bring real transparency into scientific quality assurance. The Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

CORE’s mission is to aggregate all open access research outputs from repositories and journals worldwide and make them available to the public. In this way CORE facilitates free unrestricted access to research for all. We offer seamless access to millions of open access research papers, enrich the collected data for text-mining and provide unique services to the research community. CORE is providing a free API.

Fulltext collection of French literature transmitted orally or in writing, from sub-Saharan Africa. The corpus contains about 11.000 texts of diverse genres, e.g. novels, short stories, poems, songs, tales and legends, including numerous materials which are rare to be found; it covers literature from about 20 countries and 100 ethnic groups. Beyond the actual texts, the database contains the commentary as well as notes and comments from the reference editions the corpus is based on.

Database with more than 900 works of medieval French literature, composed in the langue d'oïl. It contains narrative prose, chanson de geste, poetry as well as spiritual and worldly drama. Texts have been treated as in scientifically acknowledged reference editions.

The database contains 18th and 19th century primary literature in German, English, and French from the Corvey library, and thus presents the holdings of a library of the nobility preserved as a whole. Nearly all textual genres are represented, whereas the contentual focus lies on the Romantic period between 1790 and 1840 (1870, respectively). The collection is structured in a modular way with regard to languages and textual genres, and comprises 5,952 works which are provided in digital form for the first time. It does not overlap but supplements the content of the (also DFG-licensed) databases: * German Language Women's Literature * English Language Women's Literature * Wales related Fiction of the Romantic Period

The resource provides archival access to all country reports published by the Economists Intelligence Unit (EIU) from 1996. The most recent 4 volumes are not available. EIU country reports comprise information about the current and future economic and political development, about international trade as well as an overview over the most important economic indicators. The platform is hosted by the German National Library of Economics (ZBW) - Leibniz Information Centre for Economics.

Creative Teaching and Learning is a magazine that gives teachers and educators the ‘know how’ to develop good thinking and creative skills, practice dialogic teaching and collaborative learning, use imaginative approaches to literacy, embed assessment for learning in all their teaching, as well as a host of other cutting-edge practices.

Criminal Justice Abstracts contains of in-depth abstracts of current books, book chapters, journal articles, government reports, and dissertations published worldwide. The database also offers extensive coverage of new books from scholarly and commercial publishers and valuable reports from public and private agencies in many nations. Prepared in co-operation with the Don M. Gottfredson Library of Criminal Justice at Rutgers University Law Library, Criminal Justice Abstracts covers a wide range of topics in criminal justice, including crime trends, crime prevention and deterrence, juvenile delinquency, juvenile justice, police, courts, punishment and sentencing.

CrossAsia is an interdisciplinary portal and central access point for online information on East and Southeast Asian studies. The portal provides an integrated search of distributed databases (free and subject to licence), access to selected digital collections and an online guide of electronic resources related to East and Southeast Asian studies (OGEA). Access for Max Planck researchers is subject to a local agreement free of charge.