Collection
Directory of Open Access Books
270
OECD Books and Papers
124
O'Reilly
96
OAPEN
38
Eighteenth Century Collections Online / ECCO
32
Edward Elgar eBooks Collection Business & Economics
4
National Center for Biotechnology Information
4
Edward Elgar eBook Archive
1
Emerald Business, Management and Economics eBook Collection Archive
1
JSTOR Open Access Books
1
Mohr Siebeck eBooks
1
World Bank E-Library Archive
1