Source Data Reference for:
City = Leon (SPA)
Time = 1850
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Leon (SPA) | 1850 | 10,000 | Paul Bairoch | La population des villes europeennes de 800 a 1850 | |||
| Leon (SPA) | 1860 | 8,700 | n/a | Gothaischer Hofkalender |