| Chongwenmen Gate : South Gate of Inner City 1900 | Chongwenmen Gate : South Gate of Inner City 1750 |
| Chongwenmen Gate : South Gate of Inner City in Ein Tagebuch in Bildern, published by 1902 | Chongwenmen Gate : South Gate of Inner City in The Complete Map of Peking, Qianlong Period. |
| http://dsr.nii.ac.jp/toyobunko/La-161/V-1/page/0065.html.en |