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").

Die Bibliographie des Musikschrifttums online ist eine internationale, interaktive und frei nutzbare Bibliographie für die Musikwissenschaft. Sie dient als Fortsetzung des bis zum Berichtsjahr 1988 gedruckt erschienenen Werkes.

Education Systems International is an Internet guide on education systems worldwide. The database offers links to institutions, databases, full texts and collections of facts from more than 230 countries and regions, which are of interest for users who work in educational research and administration. -- BildungsSysteme International als "Subject Internet Guide" des DIPF bietet Links zu Bildungsministerien, Bildungseinrichtungen, Fachgesellschaften, nationalen und internationalen Organisationen, zu Datenbanken, Volltexten und Fakteninformationen gegenwärtig aus mehr als 230 Ländern und Regionen.

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.

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 Deposit Once of the Technische Universität Berlin makes qualified scientific text documents and research data of members of the TU Berlin available online. The repository is committed to the principles of Open Access and includes parallel publications from peer-reviewed publishers (post-prints) as well as dissertations, monographs, conference proceedings, collections and other scientific treatises.

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.

The Document and Publication Server of the Humboldt-Universität zu Berlin is a service of the university library and the computer and media services. It offers the organisational and technical framework to all members of HU Berlin for publishing scientific documents digitally. Documents that are stored include single publications and publication series, collections, conference papers, research reports, journals (e-journals), theses and dissertations, master theses and seminar papers.

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

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.

This database of the European Union (EU) contains the complete EU related terminology in all 24 official languages of the EU. -- Diese Datenbank der Europäischen Union (EU) enthält die gesamte EU-bezogene Terminologie in allen 24 EU-Amtssprachen.

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.