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").

Legal journals, commentaries and loose-leaf editions of the publisher C. H. Beck in full text. Juristische Zeitschriften, Kommentare und Loseblattausgaben des Verlags C. H. Beck im Volltext.

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.

"Data Services for the Social Sciences" is a department of GESIS - Leibniz Institute for the Social Sciences. Its mission is to foster FAIR data, open science and reproducible research in the quantitative and computational social sciences. To ensure that data holdings remain usable and interpretable over the long term, it offers sustainable infrastructures and services for data management, curation, and long-term preservation. ​These include archiving services with different curation levels for different needs as well as access to archived data including access to sensitive data in the GESIS Secure Data Center. The services also cover the data registration agency da|ra and training on data management for easier retrieval and re-analysis of data.

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.

ProQuest Dissertations and Theses Global is the world's most comprehensive collection of dissertations and theses, covering materials back to the first U.S. dissertation, accepted in 1861, as well as to European dissertations from the 17th century. The database is the official dissertations repository for the Library of Congress, with 5.5 million bibliographic citations, 3 million full texts, 4,100 contributing institutions worldwide and 250,000 works added annually. Full-text coverage spans from 1743 to the present, with citation coverage dating back to 1637.

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).

EconStor is the Open Access server of the German National Library of Economics, Leibniz Information Centre for Economics. EconStor provides a basis for the free publication of academic literature in economics.

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 search engine provides users with the option to search various historically relevant databases and catalogues on general and European history in parallel.

This bibliographic database is the central access to the specialist information on education. In the center of the service are the specialist literature databases as well as comprehensive collections of information at the various aspects of educational science. -- Diese bibliografische Databank ist der zentrale Einstieg in die pädagogische Fachinformation. Im Mittelpunkt des Services stehen die fachlichen Literaturdatenbanken sowie umfassende Informationssammlungen zu den verschiedenen Aspekten der Erziehungswissenschaft.

GENESIS-Online ist die Haupt-Datenbank des Statistischen Bundesamtes. Sie enthält ein breites Themenspektrum fachlich tief gegliederter Ergebnisse der amtlichen Statistik. Der Tabellenabruf ist kostenfrei Datenangebot Gebiete, Bevölkerung, Erwerbstätigkeit, Wahlen / Bildung, Sozialleistungen, Gesundheit, Recht /Wohnen, Umwelt /Wirtschaftsbereiche / Außenhandel, Unternehmen, Handwerk / Preise, Verdienste, Einkommen und Verbrauch / Öffentliche Finanzen / Gesamtrechnungen.

The Data Catalogue DBK holds study descriptions of all studies that are long-term archived at the Data Archive. You can search for studies and download or order data for secondary analysis. Topics: Agricultural, forestry and rural industry ; Rural economics ; Labour and employment ; Working conditions ; Unemployment ; In-job training ; Employment ; Demography and population ; Educational policy ; Biotechnology ; Drug abuse ; Income, property and investment / saving ; Elites and leadership ; Nutrition Education ; Family life and marriage ; Fertility ; Land use and planning ; Leisure, tourism and sport ; Community, urban and rural life ; History; Gender and gender roles ; Business / industrial management ; Society and culture ; Law, crime and legal systems ; Legislation ; Health ; Equality and inequality ; Trade, industry and markets ; Information technology, society ; Domestic political issues ; International politics and organisation ; Youth ; Children ; Conflict, security and peace ; Consumption / consumer behaviour ; Crime ; Cultural activities and participation ; Cultural and national identity ; Physical fitness and exercise ; Life-long / continuing education ; Teaching profession ; Vocational education ; Teaching packages and test datasets ; Mass media ; Migration ; Minorities ; Natural landscapes ; Natural resources and energy ; Plant and animal distribution ; Politics ; Political ideology ; Mass political behaviour, attitudes / opinion ; Psychology ; Legal systems ; Government, political systems and organisation ; Religion and values ; Rehabilitation / reintegration into society ; Retirement ; Childbearing, family planning and abortion ; Social exclusion ; Specific social services: use and provision ; Social conditions and indicators ; Social stratification; Social welfare policy; elderly; elections Economic conditions and indicators ; Economic policy.

The GESIS search can be used to find information about social science research data and open access publications. It covers: * Research Data * Variables from questionnaires * Instruments and tools * Literature, incl. publications on research data & surveying instruments, open access publications in the social sciences, as well as literature on the topic "Women in science" * Collections of the GESIS library * GESIS webpages, incl. general information and offers on the GESIS websites

Heise online is a leading German news platform focusing on information technology, telecommunications technology and their impact on society. The MPG subscription includes access to 6 well-known magazines from the Heise journal portfolio (available content from 2016 - present): c't, iX, MIT Technology Review, Mac & i, Make, c't Fotografie. The product heise+ extends the freely available platform content and provides access to special content for MPG users, such as exclusive tests, buying and consumer advice, analyses, podcasts, practitioners' reports and background articles.

Die Datenbank weist historische Bücher nach, die in Deutschland oder im deutschsprachigen Ausland erschienen sind. Darüber hinaus umfasst sie deutsch- und fremdsprachige Aufsätze aus Zeitschriften und Sammelwerken (Kongress- und Festschriften etc.) sowie andere historische Veröffentlichungen. Hinzu kommen Einträge aus dem "Jahrbuch der historischen Forschung", das sich auf laufende Forschungsarbeiten bezieht. The database establishes historic books published in Germany or in the German-speaking abroad. Moreover, it covers German- and foreign language-speaking papers from journals and collected editions (congress papers and commemorative publications) as well as other historic publications. Added to this are records from the "Jahrbuch der historischen Forschung", which refers to current research work.

Book reviews are an important element in the academic discussions. They are a tool for quality measurement with respect to the amount of publications published annually and give an indication of the importance of a published work. IBR contains over 1,16 million entries on book reviews from the years 1985ff. The database is international and interdisciplinary, over 560.000 reviews have been published in approx. 6,723 academic journals mainly in the Humanities and Social Sciences. ---- Rezensionen sind ein wichtiges Element der wissenschaftlichen Diskussion. Sie sind ein Qualitätsfilter in der jährlichen Publikationsflut und sind mitbestimmend für den Stellenwert eines Werkes. Die IBR umfasst über 1,16 Mio. Nachweise von Rezensionen aus den Jahren 1985ff. Sie weist ca. 6.723 interdisziplinäre, internationale, vornehmlich die Geistes- und Sozialwissenschaften berücksichtigende Rezensionen in wissenschaftlichen Zeitschriften zu 560.000 rezensierten Werken nach.Verbindung zum Volltext der Rezension via SFX

This database covers international publications about German history from the early days until the present. Die Datenbank erfaßt und erschließt internationale Veröffentlichungen zur deutschen Geschichte von den Anfängen bis zur Gegenwart.