Source Data Reference for:
City = Erfurt
Time = 1500
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Erfurt | 1500 | 15,000 | Jan De Vries | European urbanization 1500-1800 | p272 | ||
| Erfurt | 1500 | 19,000 | Paul Bairoch | La population des villes europeennes de 800 a 1850 | |||
| Erfurt | 1500 | 18,000 | Tertius Chandler | Four thousand years of urban growth | p19 |