Indexing
- Baidu Scholar
- Bayerische Staatsbibliothek
- BDS
- BoD
- Bowker Book Data
- Ciando
- CNKI Scholar (China National Knowledge Infrastructure)
- Dimensions
- EBSCO
- ExLibris
- Google Books
- Google Scholar
- Naviga
- ReadCube
- Semantic Scholar
- TDOne (TDNet)
- WorldCat (OCLC)
- X-MOL
