Database
Proquest Ebook Central Academic Complete
161
EBSCOhost Ebook Collection
100
Springer Complete eBooks
65
EBSCO Open Access Journals
58
PubMed Central (PMC) Open Access
51
DOAJ: Directory of Open Access Journals
49
ScienceDirect
31
Academic Search Premier
23
Springer Nature Complete Journals
19
ScienceDirect Open Access Titles
18
Springer e-books
16
Wiley Online Library Database Model
16
SpringerLink Journals Fully Open Access
12
BioMed Central
9
Springer Complete Nature.com
8
MIT Press Direct to Open
6
Wiley Online Library Open Access
6
Wiley-Blackwell Backfiles (PALCI)
6
Books at JSTOR
5
Bentham Open - Journals
4
Oxford Scholarship Online
4
Springer eBooks
4
Wiley Online Library Free Journal Backfiles (formerly Blackwell Synergy)
4
Academic Video Online
3
Annual Reviews
3
Environment Complete
3
Hindawi Open Access Journals
3
Cambridge Journals: 2024 Full Collection
2
De Gruyter Open Journals
2
Oxford University Press
2
nature.com Journals Fully Open Access
2
Academic Journals
1
American Institute of Physics
1
BioOne Complete
1
De Gruyter
1
JSTOR Life Sciences Archive Collection
1
Scientific Research Publishing Journals
1
Springer - LINK
1