Content Provider
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
34
Hathi Trust Digital Library
28
ULB Düsseldorf: Digitale Sammlungen (University Library of Düsseldorf University)
9
DataCite Metadata Store (German National Library of Science and Technology)
5
Elbląg Digital Library
4
Maine State Documents (Maine State Library)
4
Digital Repository of Scientific Institutes (RCIN)
3
University of Münster: Digital Collections
3
Princeton Theological Seminary: Theological Commons
2
Universitäts- und Landesbibliothek Sachsen-Anhalt: Bibliotheca Ponickaviana
2
FIDES Digital Library
1
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
1
Kujawsko-Pomorska Digital Library (Nicolaus Copernicus University Torun) / Kujawsko-Pomorska Biblioteka Cyfrowa
1
OLAC: Open Language Archives Community
1
The University of Utah: J. Willard Marriott Digital Library
1
University of Michigan: Digital Collections
1
dilibri (Landesbibliothekszentrum Rhineland-Palatinate)
1