- BASE | Bielefeld Academic Search Engine
- China Academic Journals Full-text Database
- China Century Journals Full-text Database (Archive)
- China Doctor Dissertations Full-text Database
- China Master Dissertations Full-text Database
- China Proceedings of Conference Database
- China Core Newspapers Full-text Database
- China Yearbooks Full-text Database
- China Statistic Yearbooks Full-text Database
- China Reference Works Online
- China National / Industrial Standards Full-text Database
- China/World Patents Database
- China National Scientific Reports Database
- China Books Full-text Database
- China Citations Database
- CiteSeerx
- CNKI Scholar
- Cobiss
- Crossref
- Electronic Journals Library
- Genamics JournalSeek
- Inspec | The IET
- RoMEO Database | University of Nottingham, UK
- SCOPUS
- Semantic Scholar
- TIB|UB - German National Library of Science and Technology
- Ulrich's International Periodicals Directory
- Zetoc Mimas | The University of Manchester
