Version 1 (Published: 2002)
Latest is Version 6
CHGIS V1 [China Historical Geographic Information System]
(c) 2002 CHGIS, Harvard Yenching Institute (Harvard University) and Center for Historical Geographical Studies (Fudan University)
Citation: ""CHGIS, Version: 1." (c) Harvard Yenching Inst and the Institute for Chinese Historical Geography at Fudan University, 2002."
License: free for academic research, no commercial use, resale, or redistribution permitted.