Web Resources

National Science Digital Library http://nsdl.niscair.res.in/
Open Access Theses and Dissertations http://oatd.org/oatd-publishers.html

E-Theses Portals http://www.dart-europe.eu/basic-search.php
NISCAIR Online Periodical Directory http://nopr.niscair.res.in/
WWW Virtual Library http://vlib.org/

OCLC Worldcat http://oaister.worldcat.org/
Bentham Science http://www.benthamscience.com/open/a-z.htm
World Scientific Journals http://www.worldscientific.com/
Online Brain http://www.thebrain.com/products/cloud/cloud-faq/
Directory of Open Access Books http://www.doabooks.org/

Directory of Open Access Directory http://www.opendoar.org
Open Access Journals Search Engine http://oajse.com/
Springer Open e-Books http://www.springeropen.com/books
Springer Open Journals http://www.springeropen.com/journals
VERSITA Open Access Journals http://degruyteropen.com/people/homer/
Open Library https://openlibrary.org/
Wiki Books http://en.wikibooks.org/wiki/Main_Page

The Encyclopedia of Earth http://www.eoearth.org/
The Encyclopedia of Life http://eol.org/
IPL Library http://www.ipl2.org/
The Encyclopedia of Finance http://www.investopedia.com/

National Academy Press http://www.nap.edu/
Online Books http://digital.library.upenn.edu/books/
Bibliomania http://www.bibliomania.com/
Public Library of Science http://www.plos.org/
Open Access Research Database http://ijsrp.org/oard/
Education Resources Information Centres (ERIC) http://eric.ed.gov/
Myjournals Org http://www.myjournals.org/
Digital Library of India http://www.new.dli.ernet.in/

Journal Table of Contents http://www.journaltocs.ac.uk/