| Nanyuheqiao : South Imperial Canal Bridge 1900 | Nanyuheqiao : South Imperial Canal Bridge 1750 |
| South Imperial Canal Bridge in Ein Tagebuch in Bildern, published by 1902 | South Imperial Canal Bridge in The Complete Map of Peking, Qianlong Period. |
| http://dsr.nii.ac.jp/toyobunko/La-161/V-1/page/0257.html.en |