Source Data Reference for:
City = Youngstown (OH-USA)
Time = 1900
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Youngstown | 1900 | 44,000 | Tertius Chandler | Four thousand years of urban growth | p499 | ||
| Youngstown (OH-USA) | 1900 | 44,900 | Carl Ritter | Ritter's geographisch-statistisches Lexikon |