Source Data Reference for:
City = Poznan
Time = 1950
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Poznan | 1925 | 212,000 | Tertius Chandler | Four thousand years of urban growth | p506 | ||
| Poznan | 1947 | 342,000 | Johan Huizinga | Internationaal aardrijkskundig woordenboek | |||
| Poznan | 1950 | 342,000 | Tertius Chandler | Four thousand years of urban growth | p508 |