Collection
Springer eBooks 2005-
442
Springer Book Archives -2004
115
Directory of Open Access Books
84
Eighteenth Century Collections Online / ECCO
12
OAPEN
4
Elsevier ScienceDirect eBooks
3
Henry Stewart Talks
3
National Center for Biotechnology Information
3
Wiley Online Books
3
ACS Symposium Series
2
JSTOR Open Access Books
2
O'Reilly
2
ACS Advances in Chemistry
1
Cambridge Books Online
1
World Bank E-Library Archive
1