Source Data Reference for:
City = Regensburg
Time = 1000
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Regensburg | 1000 | 15,000 | Tertius Chandler | Four thousand years of urban growth | p15 | ||
| Regensburg | 1000 | 40,000 | Paul Bairoch | La population des villes europeennes de 800 a 1850 |