Source Data Reference for:
City = Tumbes
Time = 1400
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Tumbes | 1400 | 178,000 | at its peak | n/a | http://www.wikipedia.org/ | eng2011 | |
| Tumbes | 1400 | 20,000 | "over 20,000" | Tertius Chandler | Four thousand years of urban growth | p41 |