Indexing/Abstracting
- Road Directory of Open Access Scholarly Resources
- EBSCO
- WorldCat
- World Wide Science (WWS)
- Microsoft Academic
- OpenAIRE – EU supported initiative to foster Open Science in Europe
- CNKI Scholar (China National Knowledge Infrastructure)
- Baidu Scholar
- vlexJustis – European Union
- Google Scholar
- SUNCAT- Serials Union Catalogue for the UK research community (UK)
- Socol@r
- Ulrich’s Periodicals Directory
- SHERPA/RoMEO
- SafetyLit
- BASE – Bielefeld Academic Search Engine
