وبلاگ گروهی کتابداران ایران

http://www.networkworld.com/topics/databases.html

With 20 years experience as the leading Network IT media company, we have what it takes to deliver the information that Network IT Executives need -- where, when and how they want it. Through our online news site, newsweekly print publication, events and executive forums and custom media solutions, Network World’s award-winning editorial delivers the up-to-date and thoughtful analysis, news, product tests, expert opinion and management strategy that our audience requires

http://www.libdex.com/

Index of 17,950 Libraries in the world. Searching libraries names or browse geographical index of libraries. A directory of publishers worldwide and OPAC vendors is accessible.

http://www.theses.org/

An initiative to improve graduate education, increase sharing of knowledge, help universities build their information infrastructure, and extend the value of digital libraries.

http://www.eric.ed.gov/

The Education Resources Information Center (ERIC) is a digital library of education-related resources, sponsored by the Institute of Education Sciences of the U.S. Department of Education. When the ERIC digital library opened to the public on September 1, 2004, the collection consisted primarily of electronic bibliographic records describing journal and non-journal literature selected by ERIC from 1966 - 2003. The collection has expanded to include full-text articles. In years ahead, the collection may include other electronic resources such as audio and video materials

holds about 5469 articles and 753 papers, 2043 of them are downloadable from the site.

http://catalog.loc.gov/

Searching catalog of Library of Congress including bibliographic information of more than 12 million books

http://digital.library.upenn.edu/books/

Search more than 16,000 books title mostly free by authors, titles and subjects.

http://wwwlib.umi.com/dissertations/search

Welcome to ProQuest Digital Dissertations! As a visitor, you will be able to freely access the most current two years of citations and abstracts in the Dissertation Abstracts database. To search the entire database of more than 1.6 million titles, you will need to connect from a subscription institution.
Titles published since 1997 are available in PDF digital format and have 24 page previews available.
Welcome to ProQuest Digital Dissertations! As a visitor, you will be able to freely access the most current two years of citations and abstracts in the Dissertation Abstracts database. To search the entire database of more than 1.6 million titles, you will need to connect from a subscription institution. Titles published since 1997 are available in PDF digital format and have 24 page previews available

http://www.ncbi.nlm.nih.gov/gquery/gquery.fcgi

PubMed, a service of the National Library of Medicine, provides access to over 11 million MEDLINE citations back to the mid-1960's and additional life science journals. PubMed includes links to many sites

providing full text articles and other related resources.

http://www.scirus.com

Scirus is the most comprehensive science-specific search engine available on the Internet. Driven by the latest search engine technology, it enables scientists, students and anyone searching for scientific information to chart and pinpoint data, locate university sites and find reports and articles quickly and easily. It was launched by Elsevier Science, the leading international publisher of scientific information.

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