Content Provider
Digital Library of Jelenia Góra (Grodzka Biblioteka Publiczna Jelenia Gora)
199
VALTO - Institutional Repository for the Government
8
Uniwersytet Zielonogórski: Zielonogórska Biblioteka Cyfrowa
6
University of Lethbridge Digitized Collections
5
University of Warsaw Digital Library
5
City University of New York: CUNY Academic Works
2
The University of Texas at Austin: Texas ScholarWorks
2
DataCite
1
Digital Library of the KARTA Center
1
Natural Resources Institute Finland: Jukuri
1
Podkarpacka Digital Library (PBC)
1
Repositorio de la Facultad de Filosofía y Letras (FFyL), Universidad Nacional Autónoma de México (UNAM)
1
Silesian Digital Library
1
Universiti Putra Malaysia: PSAS (Perpuskataan Sultan Abuld Samad) Institutional Repository
1
University of Arkansas: Digital Collections
1
Unknown
1
epub.oeaw (The digital publication portal of the Austrian Academy of Sciences)
1