Database
EBSCOhost Ebook Collection
144
Proquest Ebook Central Academic Complete
132
Springer Complete eBooks
29
Academic Video Online
23
Springer eBooks
5
Books at JSTOR
4
Kanopy
4
Oxford Scholarship Online
4
DOAJ: Directory of Open Access Journals
3
EBSCO Open Access Journals
3
MIT Press Direct to Open
2
SAGE Knowledge
2
ScienceDirect
2
HKU Press digital editions
1