Source Data Reference for:
City = Piacenza
Time = 1300
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Piacenza | 1300 | 20,000 | Paul Bairoch | La population des villes europeennes de 800 a 1850 | |||
| Piacenza | 1300 | 23,000 | Tertius Chandler | Four thousand years of urban growth | p17 | ||
| Piacenza | 1346 | 18,500 | "btw 15,000 & 22,000" | Colin McEvedy | The New Penguin Atlas of Medieval History ISBN 0-14-051249-7 | p89 |