Collection
Springer eBooks 2005-
84
O'Reilly
69
Emerald Business, Management and Economics eBook Collection Archive
31
Springer Book Archives -2004
6
JSTOR Open Access Books
5
ACS Advances in Chemistry
2
Elsevier ScienceDirect eBooks
2
MIT Press eBook Archive
2
Cambridge Books Online
1
DeGruyter MPG Collection
1
Duncker & Humblot eBooks 2007-
1
Editoria Italiana Online
1