Version 4 (Published: 2007)
Latest is Version 6
Publication Information:
CHGIS V4 [China Historical Geographic Information System]
(c) 2007 Harvard Yenching Institute and Fudan Center for Historical Geography.
Citation: "CHGIS, Version 4. Cambridge: Harvard Yenching Institute and Fudan Center for Historical Geography, January 2007."
License: free for academic research, no commercial use, resale, or redistribution permitted.
Distribution URL: http://dx.doi.org/10.7910/DVN/PDGOZ0
