Source Data Reference for:
City = Bologna
Time = 1950
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Bologna | 1925 | 200,000 | Tertius Chandler | Four thousand years of urban growth | p506 | ||
| Bologna | 1950 | 346,000 | Tertius Chandler | Four thousand years of urban growth | p508 | ||
| Bologna | 1951 | 350,700 | Jan Lahmeyer | http://www.populstat.info/ | n/a |