Content Provider
Directory of Open Access Journals: DOAJ Articles
125
Biodiversity Heritage Library (BHL)
46
Unknown
20
OLAC: Open Language Archives Community
3
Digital Repository of Scientific Institutes (RCIN)
2
University of Tartu: Dspace
2
Center for Jewish History: Digital Collections
1
Directory of Open Access Journals: DOAJ Journals
1
FWF-E-Book-Library (Austrian Science Fund) / Fonds zur Förderung der wissenschaftlichen Forschung
1
Hungarian Electronic Library (MEK)
1
MCS University Digital Library
1
UNESDOC - UNESCO Digital Library
1