Source Data Reference for:
City = Springfield (MA-USA)
Time = 1950
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Springfield | 1950 | 349,000 | Tertius Chandler | Four thousand years of urban growth | p508 | ||
| Springfield (MA-USA) | 1950 | 162,400 | Johan Huizinga | Internationaal aardrijkskundig woordenboek |