Indexing

• Directory of Open Access Journals (DOAJ)
• Moraref
• Crossref
• Portal Garuda
• Mendeley
• Google Scholar
• Academia.edu
• Bielefeld Academic Search Engine (BASE)
• CORE
• Worldcat
• Hardvard Library
• Leiden University Libraries
• Gent Univesity Library
• Boston University Library
• University of Oxford
• The University of Sheffield
• The University of Manchester
• Bayerische Staats Bibliothek
• University of Saskatchewan Library
• Beardslee Library of Western Theological Seminary
• Columbia University Libraries