திறந்த அணுகல் மின்புத்தகங்கள் – Open Access Books
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Digital Library of India
16 -
Directory of Open Access Books: DOAB
3 -
e-Book Engineering Core (EBSCO)
6 -
E-Books Directory
10 -
EOLSS - Encyclopedia Life Support Systems (UNESCO)
1 -
GALILEO Open Learning Materials
4 -
HathiTrust Digital Library
4 -
Internet Archive
1 -
McGraw Hill Access Engineering
3 -
MERLOT
1 -
Million books project
3 -
OAPEN
1 -
Project Gutenberg
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Teaching Commons Open Educational Resources
2 -
The National Academies Press
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UC Press E-Books Collection, 1982-2004
2 -
University Press ebooks, Purdue University
2 -
World eBook Library
3