Collection
Springer Book Archives -2004
8,018
Springer eBooks 2005-
6,344
O'Reilly
5,692
Directory of Open Access Books
3,876
Eighteenth Century Collections Online / ECCO
1,050
Springer Lecture Notes Archiv 1964-1996
220
Standards and Norms (DIN Media)
212
OAPEN
150
Wiley Online Books
100
ACS Symposium Series
69
National Center for Biotechnology Information
62
Cambridge Books Online
51
Elsevier ScienceDirect eBooks
42
MIT Press eBook Archive
19
DeGruyter MPG Collection
16
Oxford University Press
12
JSTOR Open Access Books
8
Elsevier eBook collection Mathematics
7
Emerald Business, Management and Economics eBook Collection Archive
7
ACS Advances in Chemistry
3
Oxford Handbook Online
3
RSC eBook Collection 1968-2009
2
Springer Protocols Archive 1981-2004
2
Bundesanzeiger Vergabeportal
1
Digi20
1
Editoria Italiana Online
1
Mohr Siebeck eBooks
1
Nomos
1