Source Data Reference for:
City = Kaifeng
Time = 1850
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Kaifeng | 1825 | 85,000 | Tertius Chandler | Four thousand years of urban growth | p518 | ||
| Kaifeng | 1850 | 90,000 | Tertius Chandler | Four thousand years of urban growth | p80 |