Collection
Directory of Open Access Books
35,946
IEEE Conference Proceedings
32,615
Springer eBooks 2005-
12,808
O'Reilly
11,494
Springer Book Archives -2004
8,844
wiso-net eBooks
5,938
IEEE Standards
4,956
Netlibrary
4,393
Twentieth Century North American Drama
2,058
JSTOR Open Access Books
849
Standards and Norms (Beuth)
666
Elsevier ScienceDirect eBooks
608
National Center for Biotechnology Information
459
Olms Online
366
Social Theory (Alexander Street Press)
267
DeGruyter MPG Collection
231
International Monetary Fund
221
SPIE Conference Proceedings
208
ACS Symposium Series
205
RSC eBook Collection 1968-2009
201
OECD Books and Papers
161
MIT Press eBook Archive
135
Lecture Notes in Computer Science
128
Wiley Online Books
122
World Bank E-Library Archive
118
Cambridge Books Online
99
OAPEN
87
Empire Online
74
Emerald Business, Management and Economics eBook Collection Archive
66
Bloomsbury Education and Childhood Studies
58
Oxford University Press
56
Springer Protocols Archive 1981-2004
47
Henry Stewart Talks
44
ACS Advances in Chemistry
43
Edward Elgar eBook Archive
38
Landolt-Börnstein
31
Nomos
13
JSTOR Books
11
Edward Elgar eBooks Collection Business & Economics
10
Music Online Reference
9
Elsevier eBook collection Mathematics
8
Eighteenth Century Collections Online / ECCO
6
Lecture Notes in Physics
6
Springer Lecture Notes Archiv 1964-1996
6
Oxford Handbook Online
5
MIT Press Direct to Open
4
Brill Nijhoff E-Books Collections 2009-2014
3
Duncker & Humblot eBooks 2007-
3
Editoria Italiana Online
3
Anthropology Online
2
more ...