| The South-Eastern Corner of the Inner City and Tonghui Canal 1900 | The South-Eastern Corner of the Inner City and Tonghui Canal 1750 |
| The South-Eastern Corner of the Inner City and Tonghui Canal in Ein Tagebuch in Bildern, published by 1902. | The South-Eastern Corner of the Inner City and Tonghui Canal in The Complete Map of Peking, Qianlong Period. |
| http://dsr.nii.ac.jp/toyobunko/La-161/V-1/page/0049.html.en |