Source Data Reference for:
City = Penza
Time = 1950
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Penza | 1950 | 203,000 | Tertius Chandler | Four thousand years of urban growth | p509 | ||
| Penza | 1959 | 254,000 | Jan Lahmeyer | http://www.populstat.info/ | n/a |