Modern Language Association (MLA)
Polska Bibliografia Naukowa (PBN)
Elektronische Zeitschriftten Bibliotek (EZB)
Directory of Open Access Scholarly Resources (ROAD)
German Institute of Global and Area Studies (GIGA)
ABL Universitat Bibliothek Leipzig
Wissenschaftzentrum Berlin für Sozialforschung (WZB)
Biblitoek Hamburg
Michigan State University Libraries
University of Virginia Library
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SOBIAD
Turkish Education Index