Collection
O'Reilly
338
Springer eBooks 2005-
250
Directory of Open Access Books
226
wiso-net eBooks
55
OAPEN
35
MIT Press eBook Archive
29
JSTOR Open Access Books
15
ACS Symposium Series
7
Cambridge Books Online
7
Oxford University Press
7
Emerald Business, Management and Economics eBook Collection Archive
5
Mohr Siebeck eBooks
5
World Bank E-Library Archive
5
International Monetary Fund
4
DeGruyter MPG Collection
3
National Center for Biotechnology Information
3
Duncker & Humblot eBooks 2007-
2
Edward Elgar eBooks Collection Business & Economics
2
Henry Stewart Talks
2
Nomos
2
Digi20
1
Edward Elgar eBook Archive
1
Elsevier ScienceDirect eBooks
1
MIT Press Direct to Open
1
Oxford Handbook Online
1
Wiley Online Books
1