Content Provider
Hathi Trust Digital Library
12
National Library of Australia: Digital Collections
10
University of Western Sydney (UWS): Research Direct
9
University of Groningen research database
6
University of Michigan: Digital Collections
4
American Museum of Natural History: AMNH scientific publications
3
National Institute of Polar Research Repository, Japan
3
University of Otago: OUR Heritage (Otage University Research)
3
University of Southampton: e-Prints Soton
3
MRJ - MyResearchJournals (MRI Publications Lucknow, Uttar Pradesh, India)
2
RIUFOP - Repositório Institucional da UFOP (Universidade Federal de Ouro Preto)
2
University of Florida: Digital Library Center
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Harvard University: Harvard Collections
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Karazin Kharkiv National University: E-Journals
1
Kharkiv National University: Electronic Archive (eKhNUIR)
1
PALNI Digital Library Collections (Private Academic Library Network of Indiana)
1
Radboud University: DSpace
1
Sapienza Università di Roma: CINECA IRIS
1
UNESDOC - UNESCO Digital Library
1
University of North Texas: UNT Digital Library
1
Università degli studi di Torino: AperTo (Archivio Istituzionale ad Accesso Aperto)
1