local catalogues: Katalog plus, Library Catalogue (red, personalized)

Metakatalog: Karlsruhe Virtual Catalog (KVK)
WorldCat

Search for content in books:
Google Books (advanced search)

Search for the titles of journals:
Elektronische Zeitschriftenbibliothek = electronic journal-library EZB
Zeitschriftendatenbank ZDB: world's largest database of titles of journals

Search in the content of open access journals:
Directory of Open Access Journals DOAJ
http://jurn.org/#gsc.tab=0

How to get literature, that is not available in Tuebingen?

Interlibrary loan
document delivrey service Subito

licensed databases (available only in the network of the university):

database information system - an index of databases everywhere
jstor database of journal articles (also try the tool JSTOR text analyzer)
Menalib - virtual library of the middle east
IREON-Portal
Sowiport
 IngentaConnect

Facts and documents:
EUR-LEX

Statistics in general: Statista, Zanran und NationMaster

Statistics of the EU: EuroStat

Please use the "advanced search" option of search engines, often displayed after searching. The search operatos are really helpful. The special service 2lingual Search gives the opportunity to initiate a translated search via Google.

Meta search engine: etools.ch

Special search engines:

scientific search engine: Google Scholar

search for news: GoogleNews

full text search (repositories)

Bielefeld Academic Search Engine BASE

search for Videos
Google Video Search EU channel @ youtube

Table of Contents (tocs) / Alertdienste
Journal Tables of Contents Service IngentaConnect,

RSS-Reader Inoreader, netvibes, feedly

VPN-Client http://www.zdv.uni-tuebingen.de/dienstleistungen/netzzugang/remote-zugang/installation-anyconnect.html

citation software
Citavi (Citavi Campuslizenz !!), Bibliographix, Endnote (Campuslizenz), Zotero, Bibsonomy