Source Data Reference for:
City = Ryazan
Time = 1850
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Ryazan | 1850 | 21,000 | Paul Bairoch | La population des villes europeennes de 800 a 1850 | |||
| Ryazan | 1858 | 25,000 | n/a | Gothaischer Hofkalender |