Source Data Reference for:
City = Kaifeng
Time = 1200
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Kaifeng | 1150 | 150,000 | Tertius Chandler | Four thousand years of urban growth | p471 | ||
| Kaifeng | 1150 | 150,000 | Tertius Chandler | Four thousand years of urban growth | p537 | ||
| Kaifeng | 1150 | 150,000 | Tertius Chandler | Four thousand years of urban growth | p533 | ||
| Kaifeng | 1200 | 100,000 | Tertius Chandler | Four thousand years of urban growth | p72 | ||
| Kaifeng | 1200 | 100,000 | Tertius Chandler | Four thousand years of urban growth | p472 | ||
| Kaifeng | 1200 | 1,000,000 | George Modelski | World Cities -3000 to 2000 | p63 |