Source Data Reference for:
City = Youngstown (OH-USA)
Time = 1950
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Youngstown | 1950 | 292,000 | Tertius Chandler | Four thousand years of urban growth | p509 | ||
| Youngstown (OH-USA) | 1950 | 168,300 | Johan Huizinga | Internationaal aardrijkskundig woordenboek |