1, National Library of China:/gb/channel1/index.html.

2. Library of China Academy of Sciences:/

3. Tsinghua University Library:/

4. Peking University Library:/portal/index.jsp.

5. Fudan University Library:/

6. Shanghai Jiaotong University Library:/

7. Tongji University Library:/

8. Sichuan Provincial Library:/

10, Beijing Normal University Library:/

1 1, Hebei Library:/structure/main.htm.

13, Shanxi Provincial Library:/

14, Library of South China University of Technology:/index.jsp.

15, South China Normal University Library: u.edu.cn/

16, Jilin Provincial Library:/

17, Zhejiang Library:/default.asp.

18, Tianjin Library:/

19, Guangxi Provincial Library:/

20. Yancheng Institute of Technology Library:/

2 1, China Academy of Medical Sciences:/

22. Guangdong Zhongshan Library:/