Collection
O'Reilly
192
Making of the Modern World
148
Eighteenth Century Collections Online / ECCO
42
OAPEN
16
Directory of Open Access Books
14
Making of Modern Law / Legal Treatises
6
International Monetary Fund
4
World Bank E-Library Archive
4
JSTOR Open Access Books
3
DeGruyter MPG Collection
1
MIT Press eBook Archive
1
Mohr Siebeck eBooks
1
Oxford University Press
1