Content Provider
Unknown
10
Cambridge University Press
7
Biodiversity Heritage Library (BHL)
3
Open Research Library
3
Informa
2
PRISM - University of Calgary Digital Repository
2
RePEc (Research Papers in Economics)
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Arctic Portal Library
1
Australian National University: ANU Digital Collections
1
Columbia University Press (via Crossref)
1
De Gruyter
1
GDZ - Center for Retrospective Digitization, Göttingen (Georg-August-Universität Götingen)
1
JSTOR
1
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
1
Oxford University Press
1
University College London: UCL Discovery
1
University of East Anglia: UEA Digital Repository
1
University of Southampton: e-Prints Soton
1
Université Paris 1 Panthéon-Sorbonne: HAL
1
Université Paris-Panthéon-Assas: HAL
1
Université de Nantes: HAL-UNIV-NANTES
1
VIURRSpace (Royal Roads University and Vancouver Island University)
1
e-rara.ch (ETH Zürich)
1