Content Provider
WikiBooks - Open-content textbooks
123
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
48
Biodiversity Heritage Library (BHL)
22
University of Groningen research database
22
Research Institute Nature and Forest: Research outputs
14
KNAW: Research Explorer (Royal Netherlands Academy of Arts and Sciences)
13
NIOZ Repository (Royal Netherlands Institute for Sea Research)
13
Doria (National Library of Finland)
5
Vrije Universiteit Amsterdam (VU): Research Portal
3
Delft University of Technology: Institutional Repository
2
KU Leuven: Lirias
2
Wageningen UR (University & Research Centre): Digital Library
2
Biblioteca Digital AECID (BIDA, Agencia Española de Cooperación Internacional para el Desarrollo)
1
Erasmus University Rotterdam & Erasmus MC Research Portal
1
Ghent University Academic Bibliography
1
Tilburg University: Research portal
1
ULB Düsseldorf: Digitale Sammlungen (University Library of Düsseldorf University)
1
University of Pretoria: UPSpace
1
Vrije Universiteit Brussel (VUB): Research Output
1