Collection
Springer eBooks 2005-
281
O'Reilly
238
Cambridge Books Online
6
MIT Press eBook Archive
2
Netlibrary
2
Directory of Open Access Books
1
Edward Elgar eBook Archive
1
Elsevier ScienceDirect eBooks
1
Emerald Business, Management and Economics eBook Collection Archive
1
JSTOR Open Access Books
1
Wiley Online Books
1