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Europa World Plus is the online version of the Europa World Year Book and the nine-volume Regional Surveys of the World Series. Provides details about daily press worldwide.

The Europa world year book - Free Trial


Internet Archive is a non-profit library of millions of free books, movies, software, music, and more.


a. ARBA on line

ARBA on line (Free 30-Day trial) - ARBAonline-the most comprehensive, authoritative database for quality reviews of print and electronic reference works


Goodreads is the world’s largest site for readers and book recommendations.

4. WorldCat

WorldCat is the world's largest network of library content and services. WorldCat libraries are dedicated to providing access to their resources on the Web, where most people start their search for information.

5. OAIster

OAIster is a union catalog of millions of records representing open access resources that was built by harvesting from open access collections worldwide using the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH). Today, OAIster includes more than 30 million records representing digital resources from more than 1,500 contributors.

6. Theses-Dissertations-Articles


Search Greek digital science content and culture

7. Repositories


OpenDOAR is an authoritative directory of academic open access repositories. Each OpenDOAR repository has been visited by project staff to check the information that is recorded here. This in-depth approach does not rely on automated analysis and gives a quality-controlled list of repositories.

8. ipl2 - Information you can trust (no longer updated)

ipl2 is a public service organization and a learning/teaching environment. To date, thousands of students and volunteer library and information science professionals have been involved in answering reference questions for our Ask an ipl2 Librarian service and in designing, building, creating and maintaining the ipl2's collections.

9. LibWeb

Browse Online Libraries Worldwide (Over 8000 pages from libraries in 146 countries)