Content Provider
Marmara Üniversitesi: Açık Arşiv Hizmete Girdi
320
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
6
Hathi Trust Digital Library
6
University of Michigan: Digital Collections
5
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
3
Özyeğin University: eResearch@Ozyegin
3