| Song shi | As referenced by Hope Wright |
| Taiping huanyu ji | As referenced by Hope Wright |
| Yuanfeng jiuyu zhi | As referenced by Hope Wright |
| China Historical GIS | Geolocations from CHGIS MySQL database v.4 |
| Tan Qixiang | Geolocations from CCTS |
| Hartwell | Geolocations from the Robert Hartwell Historical Studies GIS hosted by the CHGIS |
| Hope Wright | Prefecture geolocations provided by Hope Wright |
| DGSD | Extrapolations or new research created in the course of building the DGSD |