Database
Proquest Ebook Central Academic Complete
51
EBSCOhost Ebook Collection
25
Springer Complete eBooks
13
Academic Video Online
5
Springer e-books
4
Oxford Scholarship Online
3
Springer eBooks
2
Books at JSTOR
1
DOAJ: Directory of Open Access Journals
1
EBSCO Open Access Journals
1
JSTOR Arts & Sciences VII Archive Collection
1
SAGE Knowledge
1