Collection
IEEE Conference Proceedings
35,436
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12,828
Directory of Open Access Books
5,633
IEEE Standards
4,956
OECD Books and Papers
1,740
O'Reilly
332
OAPEN
301
National Center for Biotechnology Information
299
Making of the Modern World
87
Springer eBooks 2005-
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Wiley Online Books
63
Eighteenth Century Collections Online / ECCO
52
Edward Elgar eBooks Collection Business & Economics
24
Standards and Norms (DIN Media)
21
Digi20
13
Edward Elgar eBook Archive
9
Springer Book Archives -2004
9
Ethnographic Video Online Vol. 1
5
Mohr Siebeck eBooks
3
Nomos
2
JSTOR Open Access Books
1
Oxford Handbook Online
1
Primary Sources for Slavic Studies
1