Source Data Reference for:
City = Luoyang
Time = 400
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Luoyang | 300 | 140,000 | Ian Morris | Social Development | |||
| Luoyang | 300 | 250,000 | George Modelski | World Cities -3000 to 2000 | p44 | ||
| Luoyang | 400 | 200,000 | George Modelski | World Cities -3000 to 2000 | p44 |