Modern Language Association (MLA)

Germany National Library

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

Google Scholar

SOBIAD

Turkish Education Index