Collection
Springer Book Archives -2004
223
Springer eBooks 2005-
142
Directory of Open Access Books
75
O'Reilly
49
ACS Symposium Series
12
Elsevier ScienceDirect eBooks
5
ACS Advances in Chemistry
3
Wiley Online Books
3
OECD Books and Papers
2
JSTOR Open Access Books
1
RSC eBook Collection 1968-2009
1
Springer Protocols Archive 1981-2004
1
World Bank E-Library Archive
1