Content Provider
Hunter Library Digital Collections (Western Carolina University)
7
Project Gutenberg (PG)
5
University of Florida: Digital Library Center
3
Florida State University: Publication of Archival Library & Museum Materials
2
Norwegian Institute for Nature Research: Brage NINA
2
ADORA - Oslo School of Architecture and Design
1
Hathi Trust Digital Library
1
LIU - Linköping University: Publications (DiVA)
1
OsloMet (Oslo Metropolitan University): ODA (Open Digital Archive)
1
Zenodo
1