| 1 |
Authorama |
|
| 2 |
Bartleby |
|
| 3 |
Bookboon |
|
| 4 |
DOAB: Directory of Open Access Books |
|
| 5 |
E-Books Directory |
|
| 6 |
Google Books |
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| 7 |
Free ebooks – Project Gutenberg |
|
| 8 |
Free eBooks: The Ultimate Guide |
|
| 9 |
PDF Drive |
|
| 10 |
HathiTrust |
|
| 11 |
Internet Archives |
|
| 12 |
MIT OpenCourseWare |
|
| 13 |
Project Gutenberg |
|
| 14 |
The National Academies Press |
|
| 15 |
The Online Books Page – University of Pennsylvania |
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| 16 |
UC Press E-Books Collection |
|
| 17 |
West Bengal Public Library Network |
|
| 18 |
World Public Library |
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| 19 |
Open Textbook Library |
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| 20 |
OpenStax |
|