Indexing
- Google Scholar
- WorldCat
- Research Bible
- JIFactor
- DRJI
- CiteFactor
- ZDB OPAC
- ILSE — IPN Library
- MIAR 2015 Live
- Advanced Science Index
- ROAD (Directory of Open Access Scholarly Resources)
- Scientific Indexing Services
- Universal Digital Object Information
- Directory of Indexing and Impact Factor (DIIF)
- Elektronische Zeitschriftenbibliothek
- GIGA German Institute of Global and Area Studies
- Staats-und Universitätsbibliothek Fachbibliotheken
- ZB MED: Leibniz Information Centre for Life Sciences
- Elektronische Zeitschriftenbibliothek: Universitat Regensburg