Source Data Reference for:
City = Surabaya
Time = 1850
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Surabaja | 1850 | 60,000 | Tertius Chandler | Four thousand years of urban growth | p80 | ||
| Surabaja | 1870 | 100,000 | passed for the 1st time | Tertius Chandler | Four thousand years of urban growth | p542 | |
| Surabaya | 1870 | 90,000 | Jan Lahmeyer | http://www.populstat.info/ | n/a |