Content Provider
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
53
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
15
Center for Jewish History: Digital Collections
2
Nature Precedings
2
SDSUnbound (San Diego State University)
2
APS Digital Library (American Philosophical Society)
1
Apollo - University of Cambridge Repository
1
Dalhousie University: DalSpace Institutional Repository
1
HELDA – University of Helsinki Open Repository
1
Hathi Trust Digital Library
1
IssueLab (Nonprofit Research)
1
University of Michigan: Digital Collections
1
Utrecht University Repository
1