Source Data Reference for:
City = Erfurt
Time = 1900
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Erfurt | 1900 | 85,200 | Jan Lahmeyer | http://www.populstat.info/ | n/a | ||
| Erfurt | 1900 | 85,000 | Tertius Chandler | Four thousand years of urban growth | p495 |