| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| An Encyclopedia of the 140 Languages of China: Speakers, Dialects, Linguistic Elements, Script and Distribution | 978-1-4955-0570-6 (1-4955-0570-7) | 2017 | Sun Hongkai |
| Speakers of the Non-Han Languages and Dialectd of China | 978-0-7734-7306-5 (0-7734-7306-8) | 2002 | Hongkai Sun |