Collection
Directory of Open Access Books
273
Springer eBooks 2005-
14
OAPEN
9
ACS Symposium Series
5
Cambridge Books Online
5
World Bank E-Library Archive
5
DeGruyter MPG Collection
4
O'Reilly
4
Oxford University Press
3
ACS Advances in Chemistry
2
Henry Stewart Talks
2
JSTOR Open Access Books
2
Brill Nijhoff E-Books Collections 2009-2014
1
MIT Press eBook Archive
1