Source Data Reference for:
City = Chengde
Time = 1800
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Jehol | 1800 | 60,000 | Tertius Chandler | Four thousand years of urban growth | p79 | ||
| Jehol | 1800 | 60,000 | Tertius Chandler | Four thousand years of urban growth | p486 |