Database
EBSCOhost Ebook Collection
16
Springer Complete eBooks
14
Proquest Ebook Central Academic Complete
9
EBSCO Open Access Journals
5
Oxford Scholarship Online
5
Books at JSTOR
4
PubMed Central (PMC) Open Access
4
ScienceDirect
4
Springer e-books
4
Academic Search Premier
3
DOAJ: Directory of Open Access Journals
3
Early American Imprints
3
Springer Nature Complete Journals
3
ScienceDirect Open Access Titles
2
Wiley Online Library Database Model
2
Wiley-Blackwell Backfiles (PALCI)
2
Academic Video Online
1
Adam Matthew Digital Collections
1
Bentham Open - Journals
1
BioMed Central
1
Oxford Journals Open Access
1
Oxford University Press
1
Springer eBooks
1
SpringerLink Journals Fully Open Access
1