BASE is one of the world’s largest search engines for academic documents online. The index comprises over 300 million documents from over 10,000 data suppliers. The full texts of around 60% of the documents indexed in BASE are open access. The BASE search engine is run by Bielefeld University Library.

• Databases licensed by the libraries of Technische Universität Berlin can be found in the University's Database Info-System (DBIS). This reference tool also contains free databases and provides more detailed information on the access options, the database type and the content of the relevant database.
• Tip: Use the subject overview in the left menu to only see databases related to economics, for example.
• Our tutorials: Understanding Literature Databases, Selecting the Right Database
• Databases relevant to economics include:
  • Beck Online
  • Business Source Complete
  • Eikon
  • IBIS World
  • Juris
  • Nexis Uni
  • OECD iLibrary / OECD IEA Statitstics
  • ProQuest One Business
  • Scopus
  • Statista
  • Web of Science

• The Electronic Journals Library (EZB) contains all electronic journals accessible at Technische Universität Berlin or other German libraries.
• The accessibility of the electronic journals available at Technische Universität Berlin is indicated by a traffic light system.

• Use the info button in the Electronic Journals Library. Journals with a yellow traffic light are available at Technische Universität Berlin. Access to media outside the Technische Universität Berlin network is possible via VPN or Shibboleth.

• Our tutorial: Finding Electronic Journals

Emporion is a research data hub for the social and economic history. Here one can find time series, historical statistical and panel data, vector geospatial data, text mining analyses, and data papers. Emporion also contains contributions from the fields of corporate, environmental and technological history.

Google Scholar is a free search engine for academic documents. It contains full texts and bibliographical references and offers a citation analysis. Google Scholar is a good place to start a research project. However, in order to fully ascertain the state of research, databases such as Business Source Complete and Web of Science (on economic databases) should be used, as it is clear which specialist journals the listed articles come from.

The Karlsruhe Virtual Catalog (KVK) is a meta search engine for hundreds of millions of books and serials in library and book trade catalogs worldwide.

It allows you to browse various catalogs in Germany and worldwide in a meta search.

The KOBV portal is the regional library portal for Berlin and Brandenburg. It contains almost all library holdings from Berlin and Brandenburg KOBV libraries. The current version lists 83 online catalogs with the holdings of several hundred libraries. (Go to the KOBV)

This is where you can search the catalogs of libraries from all over Berlin and Brandenburg. You can borrow items from KOBV libraries using interlibrary loan .

Our tutorial: "Finding books in the libraries in the region"

ResearchGate is a commercial social network for researchers that grants access to full-text articles.

The Knowledge Portal Primo is the central search engine for literature. Here you will find literature from the holdings of all libraries of Technische Universität Berlin and Berlin University of the Arts. It also contains references for and in some cases full-text versions of several hundred million articles, e-books and papers provided by various academic publishers.

Search tips:

• Books and e-books: Restrict the hit list to the publication form "books" or "e-books."
• Discussion papers: Here you will find discussion papers from Faculty VII, which were discontinued in 2009. In addition, you also have access to other discussion papers from Technische Universität Berlin.
• Print and electronic journals: Restrict the results to the publication form "print journals" or "e-journals."
• Journal articles: Filter your list of results by narrowing down the publication type to "article."
• Finding literature on a specific topic: Improve your search by filtering by keywords or subject categories. You can find RVK subject categories and keywords in the catalog references of all libraries of Technische Universität Berlin. You can also search for publications using our classification system.

Tutorial "Search tips for the University Library's Primo Knowledge Portal" (with English subtiltles)

In the German Union Catalogue of Serials (ZDB) you can find print and electronic journals that are available in German and Austrian libraries.

You can find all our print journals under the code 83/1001.

The ZDB is also your starting point for ordering journal articles from other libraries (interlibrary loan orders).

Our tutorial: Finding Printed Journals