Collection
Directory of Open Access Books
2,687
Springer eBooks 2005-
1,999
SPIE Conference Proceedings
361
OECD Books and Papers
345
O'Reilly
293
National Center for Biotechnology Information
186
Nomos
121
Springer Book Archives -2004
87
VDE NormenBibliothek
85
Cambridge Books Online
31
DeGruyter MPG Collection
28
Edward Elgar eBooks Collection Business & Economics
17
Duncker & Humblot eBooks 2007-
16
Henry Stewart Talks
16
Standards and Norms (DIN Media)
13
Oxford University Press
6
JSTOR Books
4
Wiley Online Books
4
Brill Online Reference Works
3
Mohr Siebeck eBooks
3
beck-elibrary
1