Source Data Reference for:
City = Grand Rapids (MI-USA)
Time = 1950
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Grand Rapids | 1950 | 220,000 | Tertius Chandler | Four thousand years of urban growth | p509 | ||
| Grand Rapids (MI-USA) | 1950 | 176,500 | Johan Huizinga | Internationaal aardrijkskundig woordenboek |